Home / 7,831.29-11,730.52-4,542.60

Finding the Fourth Proportional to 7,831.29, 11,730.52 and 4,542.60

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Solution

The fourth proportional to 7,831.29, 11,730.52 and 4,542.60 is: 6,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.29 : 11,730.52 = 4,542.60 : x
  2. Step 2: Convert to fraction form
    7,831.29/11,730.52 = 4,542.60/x
  3. Step 3: Cross multiply
    7,831.29x = 11,730.52 × 4,542.60
  4. Step 4: Simplify right side
    7,831.29x = 53,287,060.15
  5. Step 5: Solve for x
    x = 53,287,060.15/7,831.29
  6. Step 6: Final answer
    x = 6,804.38

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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.