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Finding the Fourth Proportional to 2,382.93, 3,574.95 and 995.49

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Solution

The fourth proportional to 2,382.93, 3,574.95 and 995.49 is: 1,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.93 : 3,574.95 = 995.49 : x
  2. Step 2: Convert to fraction form
    2,382.93/3,574.95 = 995.49/x
  3. Step 3: Cross multiply
    2,382.93x = 3,574.95 × 995.49
  4. Step 4: Simplify right side
    2,382.93x = 3,558,826.98
  5. Step 5: Solve for x
    x = 3,558,826.98/2,382.93
  6. Step 6: Final answer
    x = 1,493.47

Related Problems

Find fourth proportional to 1,191.47, 1,787.48 and 497.75
Half scale
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Double scale
Find fourth proportional to 2,383.93, 3,576.45 and 996.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.