Home / 4,186.56-5,777.52-2,418.32

Finding the Fourth Proportional to 4,186.56, 5,777.52 and 2,418.32

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Solution

The fourth proportional to 4,186.56, 5,777.52 and 2,418.32 is: 3,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.56 : 5,777.52 = 2,418.32 : x
  2. Step 2: Convert to fraction form
    4,186.56/5,777.52 = 2,418.32/x
  3. Step 3: Cross multiply
    4,186.56x = 5,777.52 × 2,418.32
  4. Step 4: Simplify right side
    4,186.56x = 13,971,892.17
  5. Step 5: Solve for x
    x = 13,971,892.17/4,186.56
  6. Step 6: Final answer
    x = 3,337.32

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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.