Home / 5,011.97-7,518.65-1,724.63

Finding the Fourth Proportional to 5,011.97, 7,518.65 and 1,724.63

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Solution

The fourth proportional to 5,011.97, 7,518.65 and 1,724.63 is: 2,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.97 : 7,518.65 = 1,724.63 : x
  2. Step 2: Convert to fraction form
    5,011.97/7,518.65 = 1,724.63/x
  3. Step 3: Cross multiply
    5,011.97x = 7,518.65 × 1,724.63
  4. Step 4: Simplify right side
    5,011.97x = 12,966,843.13
  5. Step 5: Solve for x
    x = 12,966,843.13/5,011.97
  6. Step 6: Final answer
    x = 2,587.18

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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.