Home / 5,631.14-7,770.85-3,113.27

Finding the Fourth Proportional to 5,631.14, 7,770.85 and 3,113.27

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Solution

The fourth proportional to 5,631.14, 7,770.85 and 3,113.27 is: 4,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.14 : 7,770.85 = 3,113.27 : x
  2. Step 2: Convert to fraction form
    5,631.14/7,770.85 = 3,113.27/x
  3. Step 3: Cross multiply
    5,631.14x = 7,770.85 × 3,113.27
  4. Step 4: Simplify right side
    5,631.14x = 24,192,754.18
  5. Step 5: Solve for x
    x = 24,192,754.18/5,631.14
  6. Step 6: Final answer
    x = 4,296.24

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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.