Home / 4,186.79-5,777.85-2,298.55

Finding the Fourth Proportional to 4,186.79, 5,777.85 and 2,298.55

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Solution

The fourth proportional to 4,186.79, 5,777.85 and 2,298.55 is: 3,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.79 : 5,777.85 = 2,298.55 : x
  2. Step 2: Convert to fraction form
    4,186.79/5,777.85 = 2,298.55/x
  3. Step 3: Cross multiply
    4,186.79x = 5,777.85 × 2,298.55
  4. Step 4: Simplify right side
    4,186.79x = 13,280,665.62
  5. Step 5: Solve for x
    x = 13,280,665.62/4,186.79
  6. Step 6: Final answer
    x = 3,172.04

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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.