Home / 6,117.88-8,458.12-4,522.02

Finding the Fourth Proportional to 6,117.88, 8,458.12 and 4,522.02

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Solution

The fourth proportional to 6,117.88, 8,458.12 and 4,522.02 is: 6,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.88 : 8,458.12 = 4,522.02 : x
  2. Step 2: Convert to fraction form
    6,117.88/8,458.12 = 4,522.02/x
  3. Step 3: Cross multiply
    6,117.88x = 8,458.12 × 4,522.02
  4. Step 4: Simplify right side
    6,117.88x = 38,247,787.80
  5. Step 5: Solve for x
    x = 38,247,787.80/6,117.88
  6. Step 6: Final answer
    x = 6,251.80

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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.