Home / 5,008.74-7,513.52-1,721.84

Finding the Fourth Proportional to 5,008.74, 7,513.52 and 1,721.84

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Solution

The fourth proportional to 5,008.74, 7,513.52 and 1,721.84 is: 2,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.74 : 7,513.52 = 1,721.84 : x
  2. Step 2: Convert to fraction form
    5,008.74/7,513.52 = 1,721.84/x
  3. Step 3: Cross multiply
    5,008.74x = 7,513.52 × 1,721.84
  4. Step 4: Simplify right side
    5,008.74x = 12,937,033.10
  5. Step 5: Solve for x
    x = 12,937,033.10/5,008.74
  6. Step 6: Final answer
    x = 2,582.89

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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.