Home / 5,097.71-7,034.37-2,859.68

Finding the Fourth Proportional to 5,097.71, 7,034.37 and 2,859.68

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Solution

The fourth proportional to 5,097.71, 7,034.37 and 2,859.68 is: 3,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.71 : 7,034.37 = 2,859.68 : x
  2. Step 2: Convert to fraction form
    5,097.71/7,034.37 = 2,859.68/x
  3. Step 3: Cross multiply
    5,097.71x = 7,034.37 × 2,859.68
  4. Step 4: Simplify right side
    5,097.71x = 20,116,047.20
  5. Step 5: Solve for x
    x = 20,116,047.20/5,097.71
  6. Step 6: Final answer
    x = 3,946.09

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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.