Home / 5,097.78-7,034.52-2,859.14

Finding the Fourth Proportional to 5,097.78, 7,034.52 and 2,859.14

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Solution

The fourth proportional to 5,097.78, 7,034.52 and 2,859.14 is: 3,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.78 : 7,034.52 = 2,859.14 : x
  2. Step 2: Convert to fraction form
    5,097.78/7,034.52 = 2,859.14/x
  3. Step 3: Cross multiply
    5,097.78x = 7,034.52 × 2,859.14
  4. Step 4: Simplify right side
    5,097.78x = 20,112,677.51
  5. Step 5: Solve for x
    x = 20,112,677.51/5,097.78
  6. Step 6: Final answer
    x = 3,945.38

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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.