Home / 5,071.28-6,998.88-3,082.32

Finding the Fourth Proportional to 5,071.28, 6,998.88 and 3,082.32

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Solution

The fourth proportional to 5,071.28, 6,998.88 and 3,082.32 is: 4,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.28 : 6,998.88 = 3,082.32 : x
  2. Step 2: Convert to fraction form
    5,071.28/6,998.88 = 3,082.32/x
  3. Step 3: Cross multiply
    5,071.28x = 6,998.88 × 3,082.32
  4. Step 4: Simplify right side
    5,071.28x = 21,572,787.80
  5. Step 5: Solve for x
    x = 21,572,787.80/5,071.28
  6. Step 6: Final answer
    x = 4,253.91

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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.