Home / 4,070.87-5,617.53-2,278.04

Finding the Fourth Proportional to 4,070.87, 5,617.53 and 2,278.04

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Solution

The fourth proportional to 4,070.87, 5,617.53 and 2,278.04 is: 3,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.87 : 5,617.53 = 2,278.04 : x
  2. Step 2: Convert to fraction form
    4,070.87/5,617.53 = 2,278.04/x
  3. Step 3: Cross multiply
    4,070.87x = 5,617.53 × 2,278.04
  4. Step 4: Simplify right side
    4,070.87x = 12,796,958.04
  5. Step 5: Solve for x
    x = 12,796,958.04/4,070.87
  6. Step 6: Final answer
    x = 3,143.54

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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.