Home / 1,816.12-2,506.56-1,152.76

Finding the Fourth Proportional to 1,816.12, 2,506.56 and 1,152.76

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Solution

The fourth proportional to 1,816.12, 2,506.56 and 1,152.76 is: 1,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.12 : 2,506.56 = 1,152.76 : x
  2. Step 2: Convert to fraction form
    1,816.12/2,506.56 = 1,152.76/x
  3. Step 3: Cross multiply
    1,816.12x = 2,506.56 × 1,152.76
  4. Step 4: Simplify right side
    1,816.12x = 2,889,462.11
  5. Step 5: Solve for x
    x = 2,889,462.11/1,816.12
  6. Step 6: Final answer
    x = 1,591.01

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,817.12, 2,507.94 and 1,153.76
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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.