Home / 2,037.48-3,055.50-1,257.90

Finding the Fourth Proportional to 2,037.48, 3,055.50 and 1,257.90

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Solution

The fourth proportional to 2,037.48, 3,055.50 and 1,257.90 is: 1,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.48 : 3,055.50 = 1,257.90 : x
  2. Step 2: Convert to fraction form
    2,037.48/3,055.50 = 1,257.90/x
  3. Step 3: Cross multiply
    2,037.48x = 3,055.50 × 1,257.90
  4. Step 4: Simplify right side
    2,037.48x = 3,843,513.45
  5. Step 5: Solve for x
    x = 3,843,513.45/2,037.48
  6. Step 6: Final answer
    x = 1,886.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.