Home / 5,043.50-7,565.52-1,581.02

Finding the Fourth Proportional to 5,043.50, 7,565.52 and 1,581.02

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Solution

The fourth proportional to 5,043.50, 7,565.52 and 1,581.02 is: 2,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.50 : 7,565.52 = 1,581.02 : x
  2. Step 2: Convert to fraction form
    5,043.50/7,565.52 = 1,581.02/x
  3. Step 3: Cross multiply
    5,043.50x = 7,565.52 × 1,581.02
  4. Step 4: Simplify right side
    5,043.50x = 11,961,238.43
  5. Step 5: Solve for x
    x = 11,961,238.43/5,043.50
  6. Step 6: Final answer
    x = 2,371.61

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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.