Home / 2,298.68-3,172.08-1,250.74

Finding the Fourth Proportional to 2,298.68, 3,172.08 and 1,250.74

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Solution

The fourth proportional to 2,298.68, 3,172.08 and 1,250.74 is: 1,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.68 : 3,172.08 = 1,250.74 : x
  2. Step 2: Convert to fraction form
    2,298.68/3,172.08 = 1,250.74/x
  3. Step 3: Cross multiply
    2,298.68x = 3,172.08 × 1,250.74
  4. Step 4: Simplify right side
    2,298.68x = 3,967,447.34
  5. Step 5: Solve for x
    x = 3,967,447.34/2,298.68
  6. Step 6: Final answer
    x = 1,725.97

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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.