Home / 2,587.26-3,571.20-2,454.99

Finding the Fourth Proportional to 2,587.26, 3,571.20 and 2,454.99

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Solution

The fourth proportional to 2,587.26, 3,571.20 and 2,454.99 is: 3,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.26 : 3,571.20 = 2,454.99 : x
  2. Step 2: Convert to fraction form
    2,587.26/3,571.20 = 2,454.99/x
  3. Step 3: Cross multiply
    2,587.26x = 3,571.20 × 2,454.99
  4. Step 4: Simplify right side
    2,587.26x = 8,767,260.29
  5. Step 5: Solve for x
    x = 8,767,260.29/2,587.26
  6. Step 6: Final answer
    x = 3,388.63

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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.