Home / 4,327.68-5,974.40-2,672.64

Finding the Fourth Proportional to 4,327.68, 5,974.40 and 2,672.64

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Solution

The fourth proportional to 4,327.68, 5,974.40 and 2,672.64 is: 3,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.68 : 5,974.40 = 2,672.64 : x
  2. Step 2: Convert to fraction form
    4,327.68/5,974.40 = 2,672.64/x
  3. Step 3: Cross multiply
    4,327.68x = 5,974.40 × 2,672.64
  4. Step 4: Simplify right side
    4,327.68x = 15,967,420.42
  5. Step 5: Solve for x
    x = 15,967,420.42/4,327.68
  6. Step 6: Final answer
    x = 3,689.60

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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.