Home / 5,878.90-8,112.98-3,226.55

Finding the Fourth Proportional to 5,878.90, 8,112.98 and 3,226.55

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Solution

The fourth proportional to 5,878.90, 8,112.98 and 3,226.55 is: 4,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.90 : 8,112.98 = 3,226.55 : x
  2. Step 2: Convert to fraction form
    5,878.90/8,112.98 = 3,226.55/x
  3. Step 3: Cross multiply
    5,878.90x = 8,112.98 × 3,226.55
  4. Step 4: Simplify right side
    5,878.90x = 26,176,947.84
  5. Step 5: Solve for x
    x = 26,176,947.84/5,878.90
  6. Step 6: Final answer
    x = 4,452.70

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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.