Home / 5,831.40-8,746.80-2,132.96

Finding the Fourth Proportional to 5,831.40, 8,746.80 and 2,132.96

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Solution

The fourth proportional to 5,831.40, 8,746.80 and 2,132.96 is: 3,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.40 : 8,746.80 = 2,132.96 : x
  2. Step 2: Convert to fraction form
    5,831.40/8,746.80 = 2,132.96/x
  3. Step 3: Cross multiply
    5,831.40x = 8,746.80 × 2,132.96
  4. Step 4: Simplify right side
    5,831.40x = 18,656,574.53
  5. Step 5: Solve for x
    x = 18,656,574.53/5,831.40
  6. Step 6: Final answer
    x = 3,199.33

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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.