Home / 7,450.80-10,281.60-4,306.56

Finding the Fourth Proportional to 7,450.80, 10,281.60 and 4,306.56

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Solution

The fourth proportional to 7,450.80, 10,281.60 and 4,306.56 is: 5,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.80 : 10,281.60 = 4,306.56 : x
  2. Step 2: Convert to fraction form
    7,450.80/10,281.60 = 4,306.56/x
  3. Step 3: Cross multiply
    7,450.80x = 10,281.60 × 4,306.56
  4. Step 4: Simplify right side
    7,450.80x = 44,278,327.30
  5. Step 5: Solve for x
    x = 44,278,327.30/7,450.80
  6. Step 6: Final answer
    x = 5,942.76

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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.