Home / 7,031.20-9,702.88-4,046.96

Finding the Fourth Proportional to 7,031.20, 9,702.88 and 4,046.96

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Solution

The fourth proportional to 7,031.20, 9,702.88 and 4,046.96 is: 5,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.20 : 9,702.88 = 4,046.96 : x
  2. Step 2: Convert to fraction form
    7,031.20/9,702.88 = 4,046.96/x
  3. Step 3: Cross multiply
    7,031.20x = 9,702.88 × 4,046.96
  4. Step 4: Simplify right side
    7,031.20x = 39,267,167.24
  5. Step 5: Solve for x
    x = 39,267,167.24/7,031.20
  6. Step 6: Final answer
    x = 5,584.70

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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.