Home / 7,731.91-10,670.00-4,195.11

Finding the Fourth Proportional to 7,731.91, 10,670.00 and 4,195.11

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Solution

The fourth proportional to 7,731.91, 10,670.00 and 4,195.11 is: 5,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.91 : 10,670.00 = 4,195.11 : x
  2. Step 2: Convert to fraction form
    7,731.91/10,670.00 = 4,195.11/x
  3. Step 3: Cross multiply
    7,731.91x = 10,670.00 × 4,195.11
  4. Step 4: Simplify right side
    7,731.91x = 44,761,782.72
  5. Step 5: Solve for x
    x = 44,761,782.72/7,731.91
  6. Step 6: Final answer
    x = 5,789.23

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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.