Home / 5,831.76-8,748.70-2,320.65

Finding the Fourth Proportional to 5,831.76, 8,748.70 and 2,320.65

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Solution

The fourth proportional to 5,831.76, 8,748.70 and 2,320.65 is: 3,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.76 : 8,748.70 = 2,320.65 : x
  2. Step 2: Convert to fraction form
    5,831.76/8,748.70 = 2,320.65/x
  3. Step 3: Cross multiply
    5,831.76x = 8,748.70 × 2,320.65
  4. Step 4: Simplify right side
    5,831.76x = 20,302,626.91
  5. Step 5: Solve for x
    x = 20,302,626.91/5,831.76
  6. Step 6: Final answer
    x = 3,481.39

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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.