Home / 5,315.91-7,351.88-4,755.39

Finding the Fourth Proportional to 5,315.91, 7,351.88 and 4,755.39

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Solution

The fourth proportional to 5,315.91, 7,351.88 and 4,755.39 is: 6,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.91 : 7,351.88 = 4,755.39 : x
  2. Step 2: Convert to fraction form
    5,315.91/7,351.88 = 4,755.39/x
  3. Step 3: Cross multiply
    5,315.91x = 7,351.88 × 4,755.39
  4. Step 4: Simplify right side
    5,315.91x = 34,961,032.86
  5. Step 5: Solve for x
    x = 34,961,032.86/5,315.91
  6. Step 6: Final answer
    x = 6,576.68

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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.