Home / 4,186.11-5,777.87-2,418.74

Finding the Fourth Proportional to 4,186.11, 5,777.87 and 2,418.74

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Solution

The fourth proportional to 4,186.11, 5,777.87 and 2,418.74 is: 3,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.11 : 5,777.87 = 2,418.74 : x
  2. Step 2: Convert to fraction form
    4,186.11/5,777.87 = 2,418.74/x
  3. Step 3: Cross multiply
    4,186.11x = 5,777.87 × 2,418.74
  4. Step 4: Simplify right side
    4,186.11x = 13,975,165.28
  5. Step 5: Solve for x
    x = 13,975,165.28/4,186.11
  6. Step 6: Final answer
    x = 3,338.46

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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.