Home / 5,348.84-7,380.98-2,990.53

Finding the Fourth Proportional to 5,348.84, 7,380.98 and 2,990.53

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Solution

The fourth proportional to 5,348.84, 7,380.98 and 2,990.53 is: 4,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.84 : 7,380.98 = 2,990.53 : x
  2. Step 2: Convert to fraction form
    5,348.84/7,380.98 = 2,990.53/x
  3. Step 3: Cross multiply
    5,348.84x = 7,380.98 × 2,990.53
  4. Step 4: Simplify right side
    5,348.84x = 22,073,005.21
  5. Step 5: Solve for x
    x = 22,073,005.21/5,348.84
  6. Step 6: Final answer
    x = 4,126.69

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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.