Home / 4,579.39-6,869.10-1,116.61

Finding the Fourth Proportional to 4,579.39, 6,869.10 and 1,116.61

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Solution

The fourth proportional to 4,579.39, 6,869.10 and 1,116.61 is: 1,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.39 : 6,869.10 = 1,116.61 : x
  2. Step 2: Convert to fraction form
    4,579.39/6,869.10 = 1,116.61/x
  3. Step 3: Cross multiply
    4,579.39x = 6,869.10 × 1,116.61
  4. Step 4: Simplify right side
    4,579.39x = 7,670,105.75
  5. Step 5: Solve for x
    x = 7,670,105.75/4,579.39
  6. Step 6: Final answer
    x = 1,674.92

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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.