Home / 4,085.64-5,630.31-2,965.41

Finding the Fourth Proportional to 4,085.64, 5,630.31 and 2,965.41

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Solution

The fourth proportional to 4,085.64, 5,630.31 and 2,965.41 is: 4,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.64 : 5,630.31 = 2,965.41 : x
  2. Step 2: Convert to fraction form
    4,085.64/5,630.31 = 2,965.41/x
  3. Step 3: Cross multiply
    4,085.64x = 5,630.31 × 2,965.41
  4. Step 4: Simplify right side
    4,085.64x = 16,696,177.58
  5. Step 5: Solve for x
    x = 16,696,177.58/4,085.64
  6. Step 6: Final answer
    x = 4,086.55

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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.