Home / 5,559.11-7,670.28-3,321.71

Finding the Fourth Proportional to 5,559.11, 7,670.28 and 3,321.71

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Solution

The fourth proportional to 5,559.11, 7,670.28 and 3,321.71 is: 4,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.11 : 7,670.28 = 3,321.71 : x
  2. Step 2: Convert to fraction form
    5,559.11/7,670.28 = 3,321.71/x
  3. Step 3: Cross multiply
    5,559.11x = 7,670.28 × 3,321.71
  4. Step 4: Simplify right side
    5,559.11x = 25,478,445.78
  5. Step 5: Solve for x
    x = 25,478,445.78/5,559.11
  6. Step 6: Final answer
    x = 4,583.19

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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.