Home / 4,831.80-7,247.47-1,711.75

Finding the Fourth Proportional to 4,831.80, 7,247.47 and 1,711.75

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Solution

The fourth proportional to 4,831.80, 7,247.47 and 1,711.75 is: 2,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.80 : 7,247.47 = 1,711.75 : x
  2. Step 2: Convert to fraction form
    4,831.80/7,247.47 = 1,711.75/x
  3. Step 3: Cross multiply
    4,831.80x = 7,247.47 × 1,711.75
  4. Step 4: Simplify right side
    4,831.80x = 12,405,848.21
  5. Step 5: Solve for x
    x = 12,405,848.21/4,831.80
  6. Step 6: Final answer
    x = 2,567.54

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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.