Home / 6,526.93-9,791.42-2,143.39

Finding the Fourth Proportional to 6,526.93, 9,791.42 and 2,143.39

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Solution

The fourth proportional to 6,526.93, 9,791.42 and 2,143.39 is: 3,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.93 : 9,791.42 = 2,143.39 : x
  2. Step 2: Convert to fraction form
    6,526.93/9,791.42 = 2,143.39/x
  3. Step 3: Cross multiply
    6,526.93x = 9,791.42 × 2,143.39
  4. Step 4: Simplify right side
    6,526.93x = 20,986,831.71
  5. Step 5: Solve for x
    x = 20,986,831.71/6,526.93
  6. Step 6: Final answer
    x = 3,215.42

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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.