Home / 4,177.88-5,765.47-2,315.24

Finding the Fourth Proportional to 4,177.88, 5,765.47 and 2,315.24

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Solution

The fourth proportional to 4,177.88, 5,765.47 and 2,315.24 is: 3,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.88 : 5,765.47 = 2,315.24 : x
  2. Step 2: Convert to fraction form
    4,177.88/5,765.47 = 2,315.24/x
  3. Step 3: Cross multiply
    4,177.88x = 5,765.47 × 2,315.24
  4. Step 4: Simplify right side
    4,177.88x = 13,348,412.15
  5. Step 5: Solve for x
    x = 13,348,412.15/4,177.88
  6. Step 6: Final answer
    x = 3,195.02

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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.