Home / 1,073.25-1,476.90-1,037.61

Finding the Fourth Proportional to 1,073.25, 1,476.90 and 1,037.61

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Solution

The fourth proportional to 1,073.25, 1,476.90 and 1,037.61 is: 1,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.25 : 1,476.90 = 1,037.61 : x
  2. Step 2: Convert to fraction form
    1,073.25/1,476.90 = 1,037.61/x
  3. Step 3: Cross multiply
    1,073.25x = 1,476.90 × 1,037.61
  4. Step 4: Simplify right side
    1,073.25x = 1,532,446.21
  5. Step 5: Solve for x
    x = 1,532,446.21/1,073.25
  6. Step 6: Final answer
    x = 1,427.86

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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.