Home / 3,375.95-4,657.51-2,114.81

Finding the Fourth Proportional to 3,375.95, 4,657.51 and 2,114.81

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Solution

The fourth proportional to 3,375.95, 4,657.51 and 2,114.81 is: 2,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.95 : 4,657.51 = 2,114.81 : x
  2. Step 2: Convert to fraction form
    3,375.95/4,657.51 = 2,114.81/x
  3. Step 3: Cross multiply
    3,375.95x = 4,657.51 × 2,114.81
  4. Step 4: Simplify right side
    3,375.95x = 9,849,745.54
  5. Step 5: Solve for x
    x = 9,849,745.54/3,375.95
  6. Step 6: Final answer
    x = 2,917.62

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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.