Home / 4,002.78-5,524.14-2,210.61

Finding the Fourth Proportional to 4,002.78, 5,524.14 and 2,210.61

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Solution

The fourth proportional to 4,002.78, 5,524.14 and 2,210.61 is: 3,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.78 : 5,524.14 = 2,210.61 : x
  2. Step 2: Convert to fraction form
    4,002.78/5,524.14 = 2,210.61/x
  3. Step 3: Cross multiply
    4,002.78x = 5,524.14 × 2,210.61
  4. Step 4: Simplify right side
    4,002.78x = 12,211,691.50
  5. Step 5: Solve for x
    x = 12,211,691.50/4,002.78
  6. Step 6: Final answer
    x = 3,050.80

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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.