Home / 2,545.85-3,511.33-2,192.39

Finding the Fourth Proportional to 2,545.85, 3,511.33 and 2,192.39

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Solution

The fourth proportional to 2,545.85, 3,511.33 and 2,192.39 is: 3,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.85 : 3,511.33 = 2,192.39 : x
  2. Step 2: Convert to fraction form
    2,545.85/3,511.33 = 2,192.39/x
  3. Step 3: Cross multiply
    2,545.85x = 3,511.33 × 2,192.39
  4. Step 4: Simplify right side
    2,545.85x = 7,698,204.78
  5. Step 5: Solve for x
    x = 7,698,204.78/2,545.85
  6. Step 6: Final answer
    x = 3,023.82

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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.