Home / 2,845.90-4,248.52-2,408.38

Finding the Fourth Proportional to 2,845.90, 4,248.52 and 2,408.38

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Solution

The fourth proportional to 2,845.90, 4,248.52 and 2,408.38 is: 3,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.90 : 4,248.52 = 2,408.38 : x
  2. Step 2: Convert to fraction form
    2,845.90/4,248.52 = 2,408.38/x
  3. Step 3: Cross multiply
    2,845.90x = 4,248.52 × 2,408.38
  4. Step 4: Simplify right side
    2,845.90x = 10,232,050.60
  5. Step 5: Solve for x
    x = 10,232,050.60/2,845.90
  6. Step 6: Final answer
    x = 3,595.37

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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.