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Finding the Fourth Proportional to 4,158.95, 5,739.51 and 2,479.97

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Solution

The fourth proportional to 4,158.95, 5,739.51 and 2,479.97 is: 3,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.95 : 5,739.51 = 2,479.97 : x
  2. Step 2: Convert to fraction form
    4,158.95/5,739.51 = 2,479.97/x
  3. Step 3: Cross multiply
    4,158.95x = 5,739.51 × 2,479.97
  4. Step 4: Simplify right side
    4,158.95x = 14,233,790.03
  5. Step 5: Solve for x
    x = 14,233,790.03/4,158.95
  6. Step 6: Final answer
    x = 3,422.45

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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.