Home / 4,831.50-7,248.24-1,669.20

Finding the Fourth Proportional to 4,831.50, 7,248.24 and 1,669.20

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Solution

The fourth proportional to 4,831.50, 7,248.24 and 1,669.20 is: 2,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.50 : 7,248.24 = 1,669.20 : x
  2. Step 2: Convert to fraction form
    4,831.50/7,248.24 = 1,669.20/x
  3. Step 3: Cross multiply
    4,831.50x = 7,248.24 × 1,669.20
  4. Step 4: Simplify right side
    4,831.50x = 12,098,762.21
  5. Step 5: Solve for x
    x = 12,098,762.21/4,831.50
  6. Step 6: Final answer
    x = 2,504.14

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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.