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Finding the Fourth Proportional to 3,333.36, 4,599 and 1,935.12

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Solution

The fourth proportional to 3,333.36, 4,599 and 1,935.12 is: 2,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.36 : 4,599 = 1,935.12 : x
  2. Step 2: Convert to fraction form
    3,333.36/4,599 = 1,935.12/x
  3. Step 3: Cross multiply
    3,333.36x = 4,599 × 1,935.12
  4. Step 4: Simplify right side
    3,333.36x = 8,899,616.88
  5. Step 5: Solve for x
    x = 8,899,616.88/3,333.36
  6. Step 6: Final answer
    x = 2,669.86

Related Problems

Find fourth proportional to 1,666.68, 2,299.50 and 967.56
Half scale
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Double scale
Find fourth proportional to 3,334.36, 4,600.38 and 1,936.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.