Home / 6,117.43-8,442.62-3,760.51

Finding the Fourth Proportional to 6,117.43, 8,442.62 and 3,760.51

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Solution

The fourth proportional to 6,117.43, 8,442.62 and 3,760.51 is: 5,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.43 : 8,442.62 = 3,760.51 : x
  2. Step 2: Convert to fraction form
    6,117.43/8,442.62 = 3,760.51/x
  3. Step 3: Cross multiply
    6,117.43x = 8,442.62 × 3,760.51
  4. Step 4: Simplify right side
    6,117.43x = 31,748,556.94
  5. Step 5: Solve for x
    x = 31,748,556.94/6,117.43
  6. Step 6: Final answer
    x = 5,189.85

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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.