Home / 3,838.14-5,296.68-2,159.51

Finding the Fourth Proportional to 3,838.14, 5,296.68 and 2,159.51

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Solution

The fourth proportional to 3,838.14, 5,296.68 and 2,159.51 is: 2,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.14 : 5,296.68 = 2,159.51 : x
  2. Step 2: Convert to fraction form
    3,838.14/5,296.68 = 2,159.51/x
  3. Step 3: Cross multiply
    3,838.14x = 5,296.68 × 2,159.51
  4. Step 4: Simplify right side
    3,838.14x = 11,438,206.94
  5. Step 5: Solve for x
    x = 11,438,206.94/3,838.14
  6. Step 6: Final answer
    x = 2,980.14

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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.