Home / 5,052.19-6,966.72-3,988.20

Finding the Fourth Proportional to 5,052.19, 6,966.72 and 3,988.20

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Solution

The fourth proportional to 5,052.19, 6,966.72 and 3,988.20 is: 5,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.19 : 6,966.72 = 3,988.20 : x
  2. Step 2: Convert to fraction form
    5,052.19/6,966.72 = 3,988.20/x
  3. Step 3: Cross multiply
    5,052.19x = 6,966.72 × 3,988.20
  4. Step 4: Simplify right side
    5,052.19x = 27,784,672.70
  5. Step 5: Solve for x
    x = 27,784,672.70/5,052.19
  6. Step 6: Final answer
    x = 5,499.53

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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.