Home / 3,132.65-4,322.33-1,874.11

Finding the Fourth Proportional to 3,132.65, 4,322.33 and 1,874.11

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Solution

The fourth proportional to 3,132.65, 4,322.33 and 1,874.11 is: 2,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.65 : 4,322.33 = 1,874.11 : x
  2. Step 2: Convert to fraction form
    3,132.65/4,322.33 = 1,874.11/x
  3. Step 3: Cross multiply
    3,132.65x = 4,322.33 × 1,874.11
  4. Step 4: Simplify right side
    3,132.65x = 8,100,521.88
  5. Step 5: Solve for x
    x = 8,100,521.88/3,132.65
  6. Step 6: Final answer
    x = 2,585.84

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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.