Home / 5,047.29-6,965.46-2,809.08

Finding the Fourth Proportional to 5,047.29, 6,965.46 and 2,809.08

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Solution

The fourth proportional to 5,047.29, 6,965.46 and 2,809.08 is: 3,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.29 : 6,965.46 = 2,809.08 : x
  2. Step 2: Convert to fraction form
    5,047.29/6,965.46 = 2,809.08/x
  3. Step 3: Cross multiply
    5,047.29x = 6,965.46 × 2,809.08
  4. Step 4: Simplify right side
    5,047.29x = 19,566,534.38
  5. Step 5: Solve for x
    x = 19,566,534.38/5,047.29
  6. Step 6: Final answer
    x = 3,876.64

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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.