Home / 4,187.18-5,777.91-2,508.56

Finding the Fourth Proportional to 4,187.18, 5,777.91 and 2,508.56

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Solution

The fourth proportional to 4,187.18, 5,777.91 and 2,508.56 is: 3,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.18 : 5,777.91 = 2,508.56 : x
  2. Step 2: Convert to fraction form
    4,187.18/5,777.91 = 2,508.56/x
  3. Step 3: Cross multiply
    4,187.18x = 5,777.91 × 2,508.56
  4. Step 4: Simplify right side
    4,187.18x = 14,494,233.91
  5. Step 5: Solve for x
    x = 14,494,233.91/4,187.18
  6. Step 6: Final answer
    x = 3,461.57

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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.