Home / 3,772.44-5,657.15-1,139.13

Finding the Fourth Proportional to 3,772.44, 5,657.15 and 1,139.13

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Solution

The fourth proportional to 3,772.44, 5,657.15 and 1,139.13 is: 1,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.44 : 5,657.15 = 1,139.13 : x
  2. Step 2: Convert to fraction form
    3,772.44/5,657.15 = 1,139.13/x
  3. Step 3: Cross multiply
    3,772.44x = 5,657.15 × 1,139.13
  4. Step 4: Simplify right side
    3,772.44x = 6,444,223.58
  5. Step 5: Solve for x
    x = 6,444,223.58/3,772.44
  6. Step 6: Final answer
    x = 1,708.24

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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.