Home / 3,343.49-4,614.10-1,831.20

Finding the Fourth Proportional to 3,343.49, 4,614.10 and 1,831.20

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Solution

The fourth proportional to 3,343.49, 4,614.10 and 1,831.20 is: 2,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.49 : 4,614.10 = 1,831.20 : x
  2. Step 2: Convert to fraction form
    3,343.49/4,614.10 = 1,831.20/x
  3. Step 3: Cross multiply
    3,343.49x = 4,614.10 × 1,831.20
  4. Step 4: Simplify right side
    3,343.49x = 8,449,339.92
  5. Step 5: Solve for x
    x = 8,449,339.92/3,343.49
  6. Step 6: Final answer
    x = 2,527.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.