Home / 1,475.92-2,037.40-886.36

Finding the Fourth Proportional to 1,475.92, 2,037.40 and 886.36

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Solution

The fourth proportional to 1,475.92, 2,037.40 and 886.36 is: 1,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.92 : 2,037.40 = 886.36 : x
  2. Step 2: Convert to fraction form
    1,475.92/2,037.40 = 886.36/x
  3. Step 3: Cross multiply
    1,475.92x = 2,037.40 × 886.36
  4. Step 4: Simplify right side
    1,475.92x = 1,805,869.86
  5. Step 5: Solve for x
    x = 1,805,869.86/1,475.92
  6. Step 6: Final answer
    x = 1,223.56

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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.