Home / 5,878.16-8,111.91-3,225.66

Finding the Fourth Proportional to 5,878.16, 8,111.91 and 3,225.66

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Solution

The fourth proportional to 5,878.16, 8,111.91 and 3,225.66 is: 4,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.16 : 8,111.91 = 3,225.66 : x
  2. Step 2: Convert to fraction form
    5,878.16/8,111.91 = 3,225.66/x
  3. Step 3: Cross multiply
    5,878.16x = 8,111.91 × 3,225.66
  4. Step 4: Simplify right side
    5,878.16x = 26,166,290.92
  5. Step 5: Solve for x
    x = 26,166,290.92/5,878.16
  6. Step 6: Final answer
    x = 4,451.44

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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.