Home / 6,831.61-10,247.30-3,731.39

Finding the Fourth Proportional to 6,831.61, 10,247.30 and 3,731.39

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Solution

The fourth proportional to 6,831.61, 10,247.30 and 3,731.39 is: 5,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.61 : 10,247.30 = 3,731.39 : x
  2. Step 2: Convert to fraction form
    6,831.61/10,247.30 = 3,731.39/x
  3. Step 3: Cross multiply
    6,831.61x = 10,247.30 × 3,731.39
  4. Step 4: Simplify right side
    6,831.61x = 38,236,621.51
  5. Step 5: Solve for x
    x = 38,236,621.51/6,831.61
  6. Step 6: Final answer
    x = 5,597.01

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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.