Home / 4,981.80-7,424.24-4,831.68

Finding the Fourth Proportional to 4,981.80, 7,424.24 and 4,831.68

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Solution

The fourth proportional to 4,981.80, 7,424.24 and 4,831.68 is: 7,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.80 : 7,424.24 = 4,831.68 : x
  2. Step 2: Convert to fraction form
    4,981.80/7,424.24 = 4,831.68/x
  3. Step 3: Cross multiply
    4,981.80x = 7,424.24 × 4,831.68
  4. Step 4: Simplify right side
    4,981.80x = 35,871,551.92
  5. Step 5: Solve for x
    x = 35,871,551.92/4,981.80
  6. Step 6: Final answer
    x = 7,200.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.