Home / 4,487.41-6,195.28-3,988.61

Finding the Fourth Proportional to 4,487.41, 6,195.28 and 3,988.61

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Solution

The fourth proportional to 4,487.41, 6,195.28 and 3,988.61 is: 5,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.41 : 6,195.28 = 3,988.61 : x
  2. Step 2: Convert to fraction form
    4,487.41/6,195.28 = 3,988.61/x
  3. Step 3: Cross multiply
    4,487.41x = 6,195.28 × 3,988.61
  4. Step 4: Simplify right side
    4,487.41x = 24,710,508.86
  5. Step 5: Solve for x
    x = 24,710,508.86/4,487.41
  6. Step 6: Final answer
    x = 5,506.63

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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.