Home / 4,116.60-6,167.52-3,139.68

Finding the Fourth Proportional to 4,116.60, 6,167.52 and 3,139.68

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Solution

The fourth proportional to 4,116.60, 6,167.52 and 3,139.68 is: 4,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.60 : 6,167.52 = 3,139.68 : x
  2. Step 2: Convert to fraction form
    4,116.60/6,167.52 = 3,139.68/x
  3. Step 3: Cross multiply
    4,116.60x = 6,167.52 × 3,139.68
  4. Step 4: Simplify right side
    4,116.60x = 19,364,039.19
  5. Step 5: Solve for x
    x = 19,364,039.19/4,116.60
  6. Step 6: Final answer
    x = 4,703.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.