Home / 5,522.70-7,620.08-4,031.43

Finding the Fourth Proportional to 5,522.70, 7,620.08 and 4,031.43

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Solution

The fourth proportional to 5,522.70, 7,620.08 and 4,031.43 is: 5,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.70 : 7,620.08 = 4,031.43 : x
  2. Step 2: Convert to fraction form
    5,522.70/7,620.08 = 4,031.43/x
  3. Step 3: Cross multiply
    5,522.70x = 7,620.08 × 4,031.43
  4. Step 4: Simplify right side
    5,522.70x = 30,719,798.96
  5. Step 5: Solve for x
    x = 30,719,798.96/5,522.70
  6. Step 6: Final answer
    x = 5,562.46

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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.