Home / 5,920.39-8,872.12-4,348.06

Finding the Fourth Proportional to 5,920.39, 8,872.12 and 4,348.06

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Solution

The fourth proportional to 5,920.39, 8,872.12 and 4,348.06 is: 6,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.39 : 8,872.12 = 4,348.06 : x
  2. Step 2: Convert to fraction form
    5,920.39/8,872.12 = 4,348.06/x
  3. Step 3: Cross multiply
    5,920.39x = 8,872.12 × 4,348.06
  4. Step 4: Simplify right side
    5,920.39x = 38,576,510.09
  5. Step 5: Solve for x
    x = 38,576,510.09/5,920.39
  6. Step 6: Final answer
    x = 6,515.87

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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.