Home / 5,315.44-7,335.42-3,077.38

Finding the Fourth Proportional to 5,315.44, 7,335.42 and 3,077.38

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Solution

The fourth proportional to 5,315.44, 7,335.42 and 3,077.38 is: 4,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.44 : 7,335.42 = 3,077.38 : x
  2. Step 2: Convert to fraction form
    5,315.44/7,335.42 = 3,077.38/x
  3. Step 3: Cross multiply
    5,315.44x = 7,335.42 × 3,077.38
  4. Step 4: Simplify right side
    5,315.44x = 22,573,874.80
  5. Step 5: Solve for x
    x = 22,573,874.80/5,315.44
  6. Step 6: Final answer
    x = 4,246.85

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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.