Home / 5,177.13-7,764.32-2,254.75

Finding the Fourth Proportional to 5,177.13, 7,764.32 and 2,254.75

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Solution

The fourth proportional to 5,177.13, 7,764.32 and 2,254.75 is: 3,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.13 : 7,764.32 = 2,254.75 : x
  2. Step 2: Convert to fraction form
    5,177.13/7,764.32 = 2,254.75/x
  3. Step 3: Cross multiply
    5,177.13x = 7,764.32 × 2,254.75
  4. Step 4: Simplify right side
    5,177.13x = 17,506,600.52
  5. Step 5: Solve for x
    x = 17,506,600.52/5,177.13
  6. Step 6: Final answer
    x = 3,381.53

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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.