Home / 7,079.57-9,770.55-4,427.82

Finding the Fourth Proportional to 7,079.57, 9,770.55 and 4,427.82

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Solution

The fourth proportional to 7,079.57, 9,770.55 and 4,427.82 is: 6,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.57 : 9,770.55 = 4,427.82 : x
  2. Step 2: Convert to fraction form
    7,079.57/9,770.55 = 4,427.82/x
  3. Step 3: Cross multiply
    7,079.57x = 9,770.55 × 4,427.82
  4. Step 4: Simplify right side
    7,079.57x = 43,262,236.70
  5. Step 5: Solve for x
    x = 43,262,236.70/7,079.57
  6. Step 6: Final answer
    x = 6,110.86

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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.