Home / 3,586.23-5,380.53-2,278.17

Finding the Fourth Proportional to 3,586.23, 5,380.53 and 2,278.17

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Solution

The fourth proportional to 3,586.23, 5,380.53 and 2,278.17 is: 3,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.23 : 5,380.53 = 2,278.17 : x
  2. Step 2: Convert to fraction form
    3,586.23/5,380.53 = 2,278.17/x
  3. Step 3: Cross multiply
    3,586.23x = 5,380.53 × 2,278.17
  4. Step 4: Simplify right side
    3,586.23x = 12,257,762.03
  5. Step 5: Solve for x
    x = 12,257,762.03/3,586.23
  6. Step 6: Final answer
    x = 3,418.01

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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.