Home / 5,005.88-7,508.40-1,543.16

Finding the Fourth Proportional to 5,005.88, 7,508.40 and 1,543.16

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Solution

The fourth proportional to 5,005.88, 7,508.40 and 1,543.16 is: 2,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.88 : 7,508.40 = 1,543.16 : x
  2. Step 2: Convert to fraction form
    5,005.88/7,508.40 = 1,543.16/x
  3. Step 3: Cross multiply
    5,005.88x = 7,508.40 × 1,543.16
  4. Step 4: Simplify right side
    5,005.88x = 11,586,662.54
  5. Step 5: Solve for x
    x = 11,586,662.54/5,005.88
  6. Step 6: Final answer
    x = 2,314.61

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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.