Home / 5,346.42-7,377.94-2,988.56

Finding the Fourth Proportional to 5,346.42, 7,377.94 and 2,988.56

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Solution

The fourth proportional to 5,346.42, 7,377.94 and 2,988.56 is: 4,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.42 : 7,377.94 = 2,988.56 : x
  2. Step 2: Convert to fraction form
    5,346.42/7,377.94 = 2,988.56/x
  3. Step 3: Cross multiply
    5,346.42x = 7,377.94 × 2,988.56
  4. Step 4: Simplify right side
    5,346.42x = 22,049,438.55
  5. Step 5: Solve for x
    x = 22,049,438.55/5,346.42
  6. Step 6: Final answer
    x = 4,124.15

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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.