Home / 5,578.59-8,365.43-2,113.41

Finding the Fourth Proportional to 5,578.59, 8,365.43 and 2,113.41

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Solution

The fourth proportional to 5,578.59, 8,365.43 and 2,113.41 is: 3,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.59 : 8,365.43 = 2,113.41 : x
  2. Step 2: Convert to fraction form
    5,578.59/8,365.43 = 2,113.41/x
  3. Step 3: Cross multiply
    5,578.59x = 8,365.43 × 2,113.41
  4. Step 4: Simplify right side
    5,578.59x = 17,679,572.85
  5. Step 5: Solve for x
    x = 17,679,572.85/5,578.59
  6. Step 6: Final answer
    x = 3,169.18

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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.