Home / 5,275.18-7,264.07-3,780.53

Finding the Fourth Proportional to 5,275.18, 7,264.07 and 3,780.53

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Solution

The fourth proportional to 5,275.18, 7,264.07 and 3,780.53 is: 5,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.18 : 7,264.07 = 3,780.53 : x
  2. Step 2: Convert to fraction form
    5,275.18/7,264.07 = 3,780.53/x
  3. Step 3: Cross multiply
    5,275.18x = 7,264.07 × 3,780.53
  4. Step 4: Simplify right side
    5,275.18x = 27,462,034.56
  5. Step 5: Solve for x
    x = 27,462,034.56/5,275.18
  6. Step 6: Final answer
    x = 5,205.90

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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.