Home / 5,097.74-7,034.35-2,972.70

Finding the Fourth Proportional to 5,097.74, 7,034.35 and 2,972.70

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Solution

The fourth proportional to 5,097.74, 7,034.35 and 2,972.70 is: 4,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.74 : 7,034.35 = 2,972.70 : x
  2. Step 2: Convert to fraction form
    5,097.74/7,034.35 = 2,972.70/x
  3. Step 3: Cross multiply
    5,097.74x = 7,034.35 × 2,972.70
  4. Step 4: Simplify right side
    5,097.74x = 20,911,012.25
  5. Step 5: Solve for x
    x = 20,911,012.25/5,097.74
  6. Step 6: Final answer
    x = 4,102.02

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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.