Home / 5,878.37-8,112.29-3,225.79

Finding the Fourth Proportional to 5,878.37, 8,112.29 and 3,225.79

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Solution

The fourth proportional to 5,878.37, 8,112.29 and 3,225.79 is: 4,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.37 : 8,112.29 = 3,225.79 : x
  2. Step 2: Convert to fraction form
    5,878.37/8,112.29 = 3,225.79/x
  3. Step 3: Cross multiply
    5,878.37x = 8,112.29 × 3,225.79
  4. Step 4: Simplify right side
    5,878.37x = 26,168,537.97
  5. Step 5: Solve for x
    x = 26,168,537.97/5,878.37
  6. Step 6: Final answer
    x = 4,451.66

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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.