Home / 2,201.49-3,037.59-1,257.03

Finding the Fourth Proportional to 2,201.49, 3,037.59 and 1,257.03

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Solution

The fourth proportional to 2,201.49, 3,037.59 and 1,257.03 is: 1,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.49 : 3,037.59 = 1,257.03 : x
  2. Step 2: Convert to fraction form
    2,201.49/3,037.59 = 1,257.03/x
  3. Step 3: Cross multiply
    2,201.49x = 3,037.59 × 1,257.03
  4. Step 4: Simplify right side
    2,201.49x = 3,818,341.76
  5. Step 5: Solve for x
    x = 3,818,341.76/2,201.49
  6. Step 6: Final answer
    x = 1,734.44

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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.