Home / 1,511.06-2,265.54-731.03

Finding the Fourth Proportional to 1,511.06, 2,265.54 and 731.03

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Solution

The fourth proportional to 1,511.06, 2,265.54 and 731.03 is: 1,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.06 : 2,265.54 = 731.03 : x
  2. Step 2: Convert to fraction form
    1,511.06/2,265.54 = 731.03/x
  3. Step 3: Cross multiply
    1,511.06x = 2,265.54 × 731.03
  4. Step 4: Simplify right side
    1,511.06x = 1,656,177.71
  5. Step 5: Solve for x
    x = 1,656,177.71/1,511.06
  6. Step 6: Final answer
    x = 1,096.04

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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.