Home / 2,972.47-4,101.59-1,713.43

Finding the Fourth Proportional to 2,972.47, 4,101.59 and 1,713.43

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Solution

The fourth proportional to 2,972.47, 4,101.59 and 1,713.43 is: 2,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.47 : 4,101.59 = 1,713.43 : x
  2. Step 2: Convert to fraction form
    2,972.47/4,101.59 = 1,713.43/x
  3. Step 3: Cross multiply
    2,972.47x = 4,101.59 × 1,713.43
  4. Step 4: Simplify right side
    2,972.47x = 7,027,766.85
  5. Step 5: Solve for x
    x = 7,027,766.85/2,972.47
  6. Step 6: Final answer
    x = 2,364.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.