Home / 2,625.25-3,618.62-1,774.23

Finding the Fourth Proportional to 2,625.25, 3,618.62 and 1,774.23

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Solution

The fourth proportional to 2,625.25, 3,618.62 and 1,774.23 is: 2,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.25 : 3,618.62 = 1,774.23 : x
  2. Step 2: Convert to fraction form
    2,625.25/3,618.62 = 1,774.23/x
  3. Step 3: Cross multiply
    2,625.25x = 3,618.62 × 1,774.23
  4. Step 4: Simplify right side
    2,625.25x = 6,420,259.81
  5. Step 5: Solve for x
    x = 6,420,259.81/2,625.25
  6. Step 6: Final answer
    x = 2,445.59

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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.