Home / 5,296.71-7,943.74-2,177.58

Finding the Fourth Proportional to 5,296.71, 7,943.74 and 2,177.58

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Solution

The fourth proportional to 5,296.71, 7,943.74 and 2,177.58 is: 3,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.71 : 7,943.74 = 2,177.58 : x
  2. Step 2: Convert to fraction form
    5,296.71/7,943.74 = 2,177.58/x
  3. Step 3: Cross multiply
    5,296.71x = 7,943.74 × 2,177.58
  4. Step 4: Simplify right side
    5,296.71x = 17,298,129.35
  5. Step 5: Solve for x
    x = 17,298,129.35/5,296.71
  6. Step 6: Final answer
    x = 3,265.83

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1.5x scale

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.