Home / 5,251.74-7,247.02-3,013.55

Finding the Fourth Proportional to 5,251.74, 7,247.02 and 3,013.55

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Solution

The fourth proportional to 5,251.74, 7,247.02 and 3,013.55 is: 4,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.74 : 7,247.02 = 3,013.55 : x
  2. Step 2: Convert to fraction form
    5,251.74/7,247.02 = 3,013.55/x
  3. Step 3: Cross multiply
    5,251.74x = 7,247.02 × 3,013.55
  4. Step 4: Simplify right side
    5,251.74x = 21,839,286.94
  5. Step 5: Solve for x
    x = 21,839,286.94/5,251.74
  6. Step 6: Final answer
    x = 4,158.49

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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.