Home / 5,338.10-7,369.06-3,099.53

Finding the Fourth Proportional to 5,338.10, 7,369.06 and 3,099.53

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Solution

The fourth proportional to 5,338.10, 7,369.06 and 3,099.53 is: 4,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.10 : 7,369.06 = 3,099.53 : x
  2. Step 2: Convert to fraction form
    5,338.10/7,369.06 = 3,099.53/x
  3. Step 3: Cross multiply
    5,338.10x = 7,369.06 × 3,099.53
  4. Step 4: Simplify right side
    5,338.10x = 22,840,585.70
  5. Step 5: Solve for x
    x = 22,840,585.70/5,338.10
  6. Step 6: Final answer
    x = 4,278.79

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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.