Home / 2,605.42-3,589.95-2,288.26

Finding the Fourth Proportional to 2,605.42, 3,589.95 and 2,288.26

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Solution

The fourth proportional to 2,605.42, 3,589.95 and 2,288.26 is: 3,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.42 : 3,589.95 = 2,288.26 : x
  2. Step 2: Convert to fraction form
    2,605.42/3,589.95 = 2,288.26/x
  3. Step 3: Cross multiply
    2,605.42x = 3,589.95 × 2,288.26
  4. Step 4: Simplify right side
    2,605.42x = 8,214,738.99
  5. Step 5: Solve for x
    x = 8,214,738.99/2,605.42
  6. Step 6: Final answer
    x = 3,152.94

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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.