Home / 5,598.85-8,400.17-2,478.43

Finding the Fourth Proportional to 5,598.85, 8,400.17 and 2,478.43

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Solution

The fourth proportional to 5,598.85, 8,400.17 and 2,478.43 is: 3,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.85 : 8,400.17 = 2,478.43 : x
  2. Step 2: Convert to fraction form
    5,598.85/8,400.17 = 2,478.43/x
  3. Step 3: Cross multiply
    5,598.85x = 8,400.17 × 2,478.43
  4. Step 4: Simplify right side
    5,598.85x = 20,819,202.78
  5. Step 5: Solve for x
    x = 20,819,202.78/5,598.85
  6. Step 6: Final answer
    x = 3,718.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.