Home / 3,115.26-4,672.28-1,167.08

Finding the Fourth Proportional to 3,115.26, 4,672.28 and 1,167.08

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Solution

The fourth proportional to 3,115.26, 4,672.28 and 1,167.08 is: 1,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.26 : 4,672.28 = 1,167.08 : x
  2. Step 2: Convert to fraction form
    3,115.26/4,672.28 = 1,167.08/x
  3. Step 3: Cross multiply
    3,115.26x = 4,672.28 × 1,167.08
  4. Step 4: Simplify right side
    3,115.26x = 5,452,904.10
  5. Step 5: Solve for x
    x = 5,452,904.10/3,115.26
  6. Step 6: Final answer
    x = 1,750.38

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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.