Home / 5,036.39-6,949.89-2,798.22

Finding the Fourth Proportional to 5,036.39, 6,949.89 and 2,798.22

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Solution

The fourth proportional to 5,036.39, 6,949.89 and 2,798.22 is: 3,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.39 : 6,949.89 = 2,798.22 : x
  2. Step 2: Convert to fraction form
    5,036.39/6,949.89 = 2,798.22/x
  3. Step 3: Cross multiply
    5,036.39x = 6,949.89 × 2,798.22
  4. Step 4: Simplify right side
    5,036.39x = 19,447,321.20
  5. Step 5: Solve for x
    x = 19,447,321.20/5,036.39
  6. Step 6: Final answer
    x = 3,861.37

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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.