Home / 2,425.21-3,346.77-1,377.25

Finding the Fourth Proportional to 2,425.21, 3,346.77 and 1,377.25

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Solution

The fourth proportional to 2,425.21, 3,346.77 and 1,377.25 is: 1,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.21 : 3,346.77 = 1,377.25 : x
  2. Step 2: Convert to fraction form
    2,425.21/3,346.77 = 1,377.25/x
  3. Step 3: Cross multiply
    2,425.21x = 3,346.77 × 1,377.25
  4. Step 4: Simplify right side
    2,425.21x = 4,609,338.98
  5. Step 5: Solve for x
    x = 4,609,338.98/2,425.21
  6. Step 6: Final answer
    x = 1,900.59

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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.