Home / 6,275.98-8,658.39-4,387.06

Finding the Fourth Proportional to 6,275.98, 8,658.39 and 4,387.06

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Solution

The fourth proportional to 6,275.98, 8,658.39 and 4,387.06 is: 6,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.98 : 8,658.39 = 4,387.06 : x
  2. Step 2: Convert to fraction form
    6,275.98/8,658.39 = 4,387.06/x
  3. Step 3: Cross multiply
    6,275.98x = 8,658.39 × 4,387.06
  4. Step 4: Simplify right side
    6,275.98x = 37,984,876.43
  5. Step 5: Solve for x
    x = 37,984,876.43/6,275.98
  6. Step 6: Final answer
    x = 6,052.42

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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.