Home / 3,098.07-4,275.27-1,839.69

Finding the Fourth Proportional to 3,098.07, 4,275.27 and 1,839.69

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Solution

The fourth proportional to 3,098.07, 4,275.27 and 1,839.69 is: 2,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.07 : 4,275.27 = 1,839.69 : x
  2. Step 2: Convert to fraction form
    3,098.07/4,275.27 = 1,839.69/x
  3. Step 3: Cross multiply
    3,098.07x = 4,275.27 × 1,839.69
  4. Step 4: Simplify right side
    3,098.07x = 7,865,171.47
  5. Step 5: Solve for x
    x = 7,865,171.47/3,098.07
  6. Step 6: Final answer
    x = 2,538.73

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1.5x scale

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.