Home / 3,387.61-5,081.47-2,225.01

Finding the Fourth Proportional to 3,387.61, 5,081.47 and 2,225.01

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Solution

The fourth proportional to 3,387.61, 5,081.47 and 2,225.01 is: 3,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.61 : 5,081.47 = 2,225.01 : x
  2. Step 2: Convert to fraction form
    3,387.61/5,081.47 = 2,225.01/x
  3. Step 3: Cross multiply
    3,387.61x = 5,081.47 × 2,225.01
  4. Step 4: Simplify right side
    3,387.61x = 11,306,321.56
  5. Step 5: Solve for x
    x = 11,306,321.56/3,387.61
  6. Step 6: Final answer
    x = 3,337.55

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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.