Home / 3,403.28-4,696.18-1,986.59

Finding the Fourth Proportional to 3,403.28, 4,696.18 and 1,986.59

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Solution

The fourth proportional to 3,403.28, 4,696.18 and 1,986.59 is: 2,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.28 : 4,696.18 = 1,986.59 : x
  2. Step 2: Convert to fraction form
    3,403.28/4,696.18 = 1,986.59/x
  3. Step 3: Cross multiply
    3,403.28x = 4,696.18 × 1,986.59
  4. Step 4: Simplify right side
    3,403.28x = 9,329,391.00
  5. Step 5: Solve for x
    x = 9,329,391.00/3,403.28
  6. Step 6: Final answer
    x = 2,741.29

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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.