Home / 5,915.10-8,162.82-3,262.80

Finding the Fourth Proportional to 5,915.10, 8,162.82 and 3,262.80

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Solution

The fourth proportional to 5,915.10, 8,162.82 and 3,262.80 is: 4,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.10 : 8,162.82 = 3,262.80 : x
  2. Step 2: Convert to fraction form
    5,915.10/8,162.82 = 3,262.80/x
  3. Step 3: Cross multiply
    5,915.10x = 8,162.82 × 3,262.80
  4. Step 4: Simplify right side
    5,915.10x = 26,633,649.10
  5. Step 5: Solve for x
    x = 26,633,649.10/5,915.10
  6. Step 6: Final answer
    x = 4,502.65

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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.