Home / 5,886.80-8,831.56-2,189.04

Finding the Fourth Proportional to 5,886.80, 8,831.56 and 2,189.04

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Solution

The fourth proportional to 5,886.80, 8,831.56 and 2,189.04 is: 3,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.80 : 8,831.56 = 2,189.04 : x
  2. Step 2: Convert to fraction form
    5,886.80/8,831.56 = 2,189.04/x
  3. Step 3: Cross multiply
    5,886.80x = 8,831.56 × 2,189.04
  4. Step 4: Simplify right side
    5,886.80x = 19,332,638.10
  5. Step 5: Solve for x
    x = 19,332,638.10/5,886.80
  6. Step 6: Final answer
    x = 3,284.07

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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.