Home / 5,061.20-6,988.22-3,074.45

Finding the Fourth Proportional to 5,061.20, 6,988.22 and 3,074.45

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Solution

The fourth proportional to 5,061.20, 6,988.22 and 3,074.45 is: 4,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.20 : 6,988.22 = 3,074.45 : x
  2. Step 2: Convert to fraction form
    5,061.20/6,988.22 = 3,074.45/x
  3. Step 3: Cross multiply
    5,061.20x = 6,988.22 × 3,074.45
  4. Step 4: Simplify right side
    5,061.20x = 21,484,882.67
  5. Step 5: Solve for x
    x = 21,484,882.67/5,061.20
  6. Step 6: Final answer
    x = 4,245.02

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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.