Home / 5,491.17-8,234.43-2,113.41

Finding the Fourth Proportional to 5,491.17, 8,234.43 and 2,113.41

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Solution

The fourth proportional to 5,491.17, 8,234.43 and 2,113.41 is: 3,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.17 : 8,234.43 = 2,113.41 : x
  2. Step 2: Convert to fraction form
    5,491.17/8,234.43 = 2,113.41/x
  3. Step 3: Cross multiply
    5,491.17x = 8,234.43 × 2,113.41
  4. Step 4: Simplify right side
    5,491.17x = 17,402,726.71
  5. Step 5: Solve for x
    x = 17,402,726.71/5,491.17
  6. Step 6: Final answer
    x = 3,169.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.