Home / 5,878.17-8,111.86-3,225.71

Finding the Fourth Proportional to 5,878.17, 8,111.86 and 3,225.71

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Solution

The fourth proportional to 5,878.17, 8,111.86 and 3,225.71 is: 4,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.17 : 8,111.86 = 3,225.71 : x
  2. Step 2: Convert to fraction form
    5,878.17/8,111.86 = 3,225.71/x
  3. Step 3: Cross multiply
    5,878.17x = 8,111.86 × 3,225.71
  4. Step 4: Simplify right side
    5,878.17x = 26,166,520.14
  5. Step 5: Solve for x
    x = 26,166,520.14/5,878.17
  6. Step 6: Final answer
    x = 4,451.47

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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.