Home / 6,731.61-10,097.43-3,220.79

Finding the Fourth Proportional to 6,731.61, 10,097.43 and 3,220.79

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Solution

The fourth proportional to 6,731.61, 10,097.43 and 3,220.79 is: 4,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.61 : 10,097.43 = 3,220.79 : x
  2. Step 2: Convert to fraction form
    6,731.61/10,097.43 = 3,220.79/x
  3. Step 3: Cross multiply
    6,731.61x = 10,097.43 × 3,220.79
  4. Step 4: Simplify right side
    6,731.61x = 32,521,714.74
  5. Step 5: Solve for x
    x = 32,521,714.74/6,731.61
  6. Step 6: Final answer
    x = 4,831.19

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1.5x scale

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.