Home / 5,456.72-7,531.77-3,190.02

Finding the Fourth Proportional to 5,456.72, 7,531.77 and 3,190.02

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Solution

The fourth proportional to 5,456.72, 7,531.77 and 3,190.02 is: 4,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.72 : 7,531.77 = 3,190.02 : x
  2. Step 2: Convert to fraction form
    5,456.72/7,531.77 = 3,190.02/x
  3. Step 3: Cross multiply
    5,456.72x = 7,531.77 × 3,190.02
  4. Step 4: Simplify right side
    5,456.72x = 24,026,462.71
  5. Step 5: Solve for x
    x = 24,026,462.71/5,456.72
  6. Step 6: Final answer
    x = 4,403.10

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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.