Home / 5,831.12-8,741.89-2,319.62

Finding the Fourth Proportional to 5,831.12, 8,741.89 and 2,319.62

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Solution

The fourth proportional to 5,831.12, 8,741.89 and 2,319.62 is: 3,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.12 : 8,741.89 = 2,319.62 : x
  2. Step 2: Convert to fraction form
    5,831.12/8,741.89 = 2,319.62/x
  3. Step 3: Cross multiply
    5,831.12x = 8,741.89 × 2,319.62
  4. Step 4: Simplify right side
    5,831.12x = 20,277,871.25
  5. Step 5: Solve for x
    x = 20,277,871.25/5,831.12
  6. Step 6: Final answer
    x = 3,477.52

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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.