Home / 5,294.96-7,942.80-1,831.04

Finding the Fourth Proportional to 5,294.96, 7,942.80 and 1,831.04

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Solution

The fourth proportional to 5,294.96, 7,942.80 and 1,831.04 is: 2,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.96 : 7,942.80 = 1,831.04 : x
  2. Step 2: Convert to fraction form
    5,294.96/7,942.80 = 1,831.04/x
  3. Step 3: Cross multiply
    5,294.96x = 7,942.80 × 1,831.04
  4. Step 4: Simplify right side
    5,294.96x = 14,543,584.51
  5. Step 5: Solve for x
    x = 14,543,584.51/5,294.96
  6. Step 6: Final answer
    x = 2,746.68

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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.