Home / 4,831.32-7,248.96-1,711.72

Finding the Fourth Proportional to 4,831.32, 7,248.96 and 1,711.72

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Solution

The fourth proportional to 4,831.32, 7,248.96 and 1,711.72 is: 2,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.32 : 7,248.96 = 1,711.72 : x
  2. Step 2: Convert to fraction form
    4,831.32/7,248.96 = 1,711.72/x
  3. Step 3: Cross multiply
    4,831.32x = 7,248.96 × 1,711.72
  4. Step 4: Simplify right side
    4,831.32x = 12,408,189.81
  5. Step 5: Solve for x
    x = 12,408,189.81/4,831.32
  6. Step 6: Final answer
    x = 2,568.28

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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.