Home / 5,672.32-8,507.11-2,162.18

Finding the Fourth Proportional to 5,672.32, 8,507.11 and 2,162.18

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Solution

The fourth proportional to 5,672.32, 8,507.11 and 2,162.18 is: 3,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.32 : 8,507.11 = 2,162.18 : x
  2. Step 2: Convert to fraction form
    5,672.32/8,507.11 = 2,162.18/x
  3. Step 3: Cross multiply
    5,672.32x = 8,507.11 × 2,162.18
  4. Step 4: Simplify right side
    5,672.32x = 18,393,903.10
  5. Step 5: Solve for x
    x = 18,393,903.10/5,672.32
  6. Step 6: Final answer
    x = 3,242.75

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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.