Home / 5,875.86-8,812.83-2,177.22

Finding the Fourth Proportional to 5,875.86, 8,812.83 and 2,177.22

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Solution

The fourth proportional to 5,875.86, 8,812.83 and 2,177.22 is: 3,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.86 : 8,812.83 = 2,177.22 : x
  2. Step 2: Convert to fraction form
    5,875.86/8,812.83 = 2,177.22/x
  3. Step 3: Cross multiply
    5,875.86x = 8,812.83 × 2,177.22
  4. Step 4: Simplify right side
    5,875.86x = 19,187,469.73
  5. Step 5: Solve for x
    x = 19,187,469.73/5,875.86
  6. Step 6: Final answer
    x = 3,265.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.