Home / 3,458.18-4,774.26-2,281.29

Finding the Fourth Proportional to 3,458.18, 4,774.26 and 2,281.29

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Solution

The fourth proportional to 3,458.18, 4,774.26 and 2,281.29 is: 3,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.18 : 4,774.26 = 2,281.29 : x
  2. Step 2: Convert to fraction form
    3,458.18/4,774.26 = 2,281.29/x
  3. Step 3: Cross multiply
    3,458.18x = 4,774.26 × 2,281.29
  4. Step 4: Simplify right side
    3,458.18x = 10,891,471.60
  5. Step 5: Solve for x
    x = 10,891,471.60/3,458.18
  6. Step 6: Final answer
    x = 3,149.49

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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.