Home / 4,186.91-5,777.82-2,298.48

Finding the Fourth Proportional to 4,186.91, 5,777.82 and 2,298.48

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Solution

The fourth proportional to 4,186.91, 5,777.82 and 2,298.48 is: 3,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.91 : 5,777.82 = 2,298.48 : x
  2. Step 2: Convert to fraction form
    4,186.91/5,777.82 = 2,298.48/x
  3. Step 3: Cross multiply
    4,186.91x = 5,777.82 × 2,298.48
  4. Step 4: Simplify right side
    4,186.91x = 13,280,203.71
  5. Step 5: Solve for x
    x = 13,280,203.71/4,186.91
  6. Step 6: Final answer
    x = 3,171.84

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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.