Home / 2,542.10-3,813.62-1,156.10

Finding the Fourth Proportional to 2,542.10, 3,813.62 and 1,156.10

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Solution

The fourth proportional to 2,542.10, 3,813.62 and 1,156.10 is: 1,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.10 : 3,813.62 = 1,156.10 : x
  2. Step 2: Convert to fraction form
    2,542.10/3,813.62 = 1,156.10/x
  3. Step 3: Cross multiply
    2,542.10x = 3,813.62 × 1,156.10
  4. Step 4: Simplify right side
    2,542.10x = 4,408,901.23
  5. Step 5: Solve for x
    x = 4,408,901.23/2,542.10
  6. Step 6: Final answer
    x = 1,734.36

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1.5x scale

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.