Home / 1,516.86-2,092.45-1,037.90

Finding the Fourth Proportional to 1,516.86, 2,092.45 and 1,037.90

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Solution

The fourth proportional to 1,516.86, 2,092.45 and 1,037.90 is: 1,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.86 : 2,092.45 = 1,037.90 : x
  2. Step 2: Convert to fraction form
    1,516.86/2,092.45 = 1,037.90/x
  3. Step 3: Cross multiply
    1,516.86x = 2,092.45 × 1,037.90
  4. Step 4: Simplify right side
    1,516.86x = 2,171,753.86
  5. Step 5: Solve for x
    x = 2,171,753.86/1,516.86
  6. Step 6: Final answer
    x = 1,431.74

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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.