Home / 5,523.19-7,614.20-3,948.55

Finding the Fourth Proportional to 5,523.19, 7,614.20 and 3,948.55

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Solution

The fourth proportional to 5,523.19, 7,614.20 and 3,948.55 is: 5,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.19 : 7,614.20 = 3,948.55 : x
  2. Step 2: Convert to fraction form
    5,523.19/7,614.20 = 3,948.55/x
  3. Step 3: Cross multiply
    5,523.19x = 7,614.20 × 3,948.55
  4. Step 4: Simplify right side
    5,523.19x = 30,064,991.60
  5. Step 5: Solve for x
    x = 30,064,991.60/5,523.19
  6. Step 6: Final answer
    x = 5,443.42

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1.5x scale

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.