Home / 5,878.79-8,113.23-3,226.71

Finding the Fourth Proportional to 5,878.79, 8,113.23 and 3,226.71

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Solution

The fourth proportional to 5,878.79, 8,113.23 and 3,226.71 is: 4,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.79 : 8,113.23 = 3,226.71 : x
  2. Step 2: Convert to fraction form
    5,878.79/8,113.23 = 3,226.71/x
  3. Step 3: Cross multiply
    5,878.79x = 8,113.23 × 3,226.71
  4. Step 4: Simplify right side
    5,878.79x = 26,179,040.37
  5. Step 5: Solve for x
    x = 26,179,040.37/5,878.79
  6. Step 6: Final answer
    x = 4,453.13

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Half scale
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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.