Home / 4,581.71-6,876.20-1,809.08

Finding the Fourth Proportional to 4,581.71, 6,876.20 and 1,809.08

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Solution

The fourth proportional to 4,581.71, 6,876.20 and 1,809.08 is: 2,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.71 : 6,876.20 = 1,809.08 : x
  2. Step 2: Convert to fraction form
    4,581.71/6,876.20 = 1,809.08/x
  3. Step 3: Cross multiply
    4,581.71x = 6,876.20 × 1,809.08
  4. Step 4: Simplify right side
    4,581.71x = 12,439,595.90
  5. Step 5: Solve for x
    x = 12,439,595.90/4,581.71
  6. Step 6: Final answer
    x = 2,715.06

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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.