Home / 5,420.55-7,480.17-3,062.52

Finding the Fourth Proportional to 5,420.55, 7,480.17 and 3,062.52

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Solution

The fourth proportional to 5,420.55, 7,480.17 and 3,062.52 is: 4,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.55 : 7,480.17 = 3,062.52 : x
  2. Step 2: Convert to fraction form
    5,420.55/7,480.17 = 3,062.52/x
  3. Step 3: Cross multiply
    5,420.55x = 7,480.17 × 3,062.52
  4. Step 4: Simplify right side
    5,420.55x = 22,908,170.23
  5. Step 5: Solve for x
    x = 22,908,170.23/5,420.55
  6. Step 6: Final answer
    x = 4,226.17

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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.