Home / 3,366.50-4,645.20-1,874.37

Finding the Fourth Proportional to 3,366.50, 4,645.20 and 1,874.37

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Solution

The fourth proportional to 3,366.50, 4,645.20 and 1,874.37 is: 2,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.50 : 4,645.20 = 1,874.37 : x
  2. Step 2: Convert to fraction form
    3,366.50/4,645.20 = 1,874.37/x
  3. Step 3: Cross multiply
    3,366.50x = 4,645.20 × 1,874.37
  4. Step 4: Simplify right side
    3,366.50x = 8,706,823.52
  5. Step 5: Solve for x
    x = 8,706,823.52/3,366.50
  6. Step 6: Final answer
    x = 2,586.32

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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.