Home / 4,186.40-5,777.22-2,298.02

Finding the Fourth Proportional to 4,186.40, 5,777.22 and 2,298.02

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Solution

The fourth proportional to 4,186.40, 5,777.22 and 2,298.02 is: 3,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.40 : 5,777.22 = 2,298.02 : x
  2. Step 2: Convert to fraction form
    4,186.40/5,777.22 = 2,298.02/x
  3. Step 3: Cross multiply
    4,186.40x = 5,777.22 × 2,298.02
  4. Step 4: Simplify right side
    4,186.40x = 13,276,167.10
  5. Step 5: Solve for x
    x = 13,276,167.10/4,186.40
  6. Step 6: Final answer
    x = 3,171.26

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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.