Home / 4,085.41-5,629.51-3,864.85

Finding the Fourth Proportional to 4,085.41, 5,629.51 and 3,864.85

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Solution

The fourth proportional to 4,085.41, 5,629.51 and 3,864.85 is: 5,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.41 : 5,629.51 = 3,864.85 : x
  2. Step 2: Convert to fraction form
    4,085.41/5,629.51 = 3,864.85/x
  3. Step 3: Cross multiply
    4,085.41x = 5,629.51 × 3,864.85
  4. Step 4: Simplify right side
    4,085.41x = 21,757,211.72
  5. Step 5: Solve for x
    x = 21,757,211.72/4,085.41
  6. Step 6: Final answer
    x = 5,325.59

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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.