Home / 5,141.16-7,082.10-4,877.64

Finding the Fourth Proportional to 5,141.16, 7,082.10 and 4,877.64

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Solution

The fourth proportional to 5,141.16, 7,082.10 and 4,877.64 is: 6,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.16 : 7,082.10 = 4,877.64 : x
  2. Step 2: Convert to fraction form
    5,141.16/7,082.10 = 4,877.64/x
  3. Step 3: Cross multiply
    5,141.16x = 7,082.10 × 4,877.64
  4. Step 4: Simplify right side
    5,141.16x = 34,543,934.24
  5. Step 5: Solve for x
    x = 34,543,934.24/5,141.16
  6. Step 6: Final answer
    x = 6,719.09

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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.