Home / 4,979.29-6,871.26-2,741.17

Finding the Fourth Proportional to 4,979.29, 6,871.26 and 2,741.17

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Solution

The fourth proportional to 4,979.29, 6,871.26 and 2,741.17 is: 3,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.29 : 6,871.26 = 2,741.17 : x
  2. Step 2: Convert to fraction form
    4,979.29/6,871.26 = 2,741.17/x
  3. Step 3: Cross multiply
    4,979.29x = 6,871.26 × 2,741.17
  4. Step 4: Simplify right side
    4,979.29x = 18,835,291.77
  5. Step 5: Solve for x
    x = 18,835,291.77/4,979.29
  6. Step 6: Final answer
    x = 3,782.73

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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.