Home / 5,831.96-8,752.40-2,137.68

Finding the Fourth Proportional to 5,831.96, 8,752.40 and 2,137.68

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Solution

The fourth proportional to 5,831.96, 8,752.40 and 2,137.68 is: 3,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.96 : 8,752.40 = 2,137.68 : x
  2. Step 2: Convert to fraction form
    5,831.96/8,752.40 = 2,137.68/x
  3. Step 3: Cross multiply
    5,831.96x = 8,752.40 × 2,137.68
  4. Step 4: Simplify right side
    5,831.96x = 18,709,830.43
  5. Step 5: Solve for x
    x = 18,709,830.43/5,831.96
  6. Step 6: Final answer
    x = 3,208.15

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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.