Home / 2,575.28-3,551.21-2,203.49

Finding the Fourth Proportional to 2,575.28, 3,551.21 and 2,203.49

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Solution

The fourth proportional to 2,575.28, 3,551.21 and 2,203.49 is: 3,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.28 : 3,551.21 = 2,203.49 : x
  2. Step 2: Convert to fraction form
    2,575.28/3,551.21 = 2,203.49/x
  3. Step 3: Cross multiply
    2,575.28x = 3,551.21 × 2,203.49
  4. Step 4: Simplify right side
    2,575.28x = 7,825,026.95
  5. Step 5: Solve for x
    x = 7,825,026.95/2,575.28
  6. Step 6: Final answer
    x = 3,038.52

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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.