Home / 4,818.34-7,227.47-2,479

Finding the Fourth Proportional to 4,818.34, 7,227.47 and 2,479

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Solution

The fourth proportional to 4,818.34, 7,227.47 and 2,479 is: 3,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.34 : 7,227.47 = 2,479 : x
  2. Step 2: Convert to fraction form
    4,818.34/7,227.47 = 2,479/x
  3. Step 3: Cross multiply
    4,818.34x = 7,227.47 × 2,479
  4. Step 4: Simplify right side
    4,818.34x = 17,916,898.13
  5. Step 5: Solve for x
    x = 17,916,898.13/4,818.34
  6. Step 6: Final answer
    x = 3,718.48

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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.