Home / 4,342.59-5,985.83-3,081.02

Finding the Fourth Proportional to 4,342.59, 5,985.83 and 3,081.02

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Solution

The fourth proportional to 4,342.59, 5,985.83 and 3,081.02 is: 4,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.59 : 5,985.83 = 3,081.02 : x
  2. Step 2: Convert to fraction form
    4,342.59/5,985.83 = 3,081.02/x
  3. Step 3: Cross multiply
    4,342.59x = 5,985.83 × 3,081.02
  4. Step 4: Simplify right side
    4,342.59x = 18,442,439.72
  5. Step 5: Solve for x
    x = 18,442,439.72/4,342.59
  6. Step 6: Final answer
    x = 4,246.88

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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.