Home / 2,298.96-3,172.52-1,251.02

Finding the Fourth Proportional to 2,298.96, 3,172.52 and 1,251.02

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Solution

The fourth proportional to 2,298.96, 3,172.52 and 1,251.02 is: 1,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.96 : 3,172.52 = 1,251.02 : x
  2. Step 2: Convert to fraction form
    2,298.96/3,172.52 = 1,251.02/x
  3. Step 3: Cross multiply
    2,298.96x = 3,172.52 × 1,251.02
  4. Step 4: Simplify right side
    2,298.96x = 3,968,885.97
  5. Step 5: Solve for x
    x = 3,968,885.97/2,298.96
  6. Step 6: Final answer
    x = 1,726.38

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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.