Home / 3,097.19-4,272.88-1,770.61

Finding the Fourth Proportional to 3,097.19, 4,272.88 and 1,770.61

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Solution

The fourth proportional to 3,097.19, 4,272.88 and 1,770.61 is: 2,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.19 : 4,272.88 = 1,770.61 : x
  2. Step 2: Convert to fraction form
    3,097.19/4,272.88 = 1,770.61/x
  3. Step 3: Cross multiply
    3,097.19x = 4,272.88 × 1,770.61
  4. Step 4: Simplify right side
    3,097.19x = 7,565,595.30
  5. Step 5: Solve for x
    x = 7,565,595.30/3,097.19
  6. Step 6: Final answer
    x = 2,442.73

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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.