Home / 2,348.49-3,507.73-2,125.78

Finding the Fourth Proportional to 2,348.49, 3,507.73 and 2,125.78

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Solution

The fourth proportional to 2,348.49, 3,507.73 and 2,125.78 is: 3,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.49 : 3,507.73 = 2,125.78 : x
  2. Step 2: Convert to fraction form
    2,348.49/3,507.73 = 2,125.78/x
  3. Step 3: Cross multiply
    2,348.49x = 3,507.73 × 2,125.78
  4. Step 4: Simplify right side
    2,348.49x = 7,456,662.28
  5. Step 5: Solve for x
    x = 7,456,662.28/2,348.49
  6. Step 6: Final answer
    x = 3,175.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.