Home / 5,082.90-7,014.15-2,844.78

Finding the Fourth Proportional to 5,082.90, 7,014.15 and 2,844.78

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Solution

The fourth proportional to 5,082.90, 7,014.15 and 2,844.78 is: 3,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.90 : 7,014.15 = 2,844.78 : x
  2. Step 2: Convert to fraction form
    5,082.90/7,014.15 = 2,844.78/x
  3. Step 3: Cross multiply
    5,082.90x = 7,014.15 × 2,844.78
  4. Step 4: Simplify right side
    5,082.90x = 19,953,713.64
  5. Step 5: Solve for x
    x = 19,953,713.64/5,082.90
  6. Step 6: Final answer
    x = 3,925.66

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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.