Home / 3,458.13-4,770.43-2,339.47

Finding the Fourth Proportional to 3,458.13, 4,770.43 and 2,339.47

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Solution

The fourth proportional to 3,458.13, 4,770.43 and 2,339.47 is: 3,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.13 : 4,770.43 = 2,339.47 : x
  2. Step 2: Convert to fraction form
    3,458.13/4,770.43 = 2,339.47/x
  3. Step 3: Cross multiply
    3,458.13x = 4,770.43 × 2,339.47
  4. Step 4: Simplify right side
    3,458.13x = 11,160,251.15
  5. Step 5: Solve for x
    x = 11,160,251.15/3,458.13
  6. Step 6: Final answer
    x = 3,227.25

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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.