Home / 2,845.67-3,926.07-1,726.25

Finding the Fourth Proportional to 2,845.67, 3,926.07 and 1,726.25

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Solution

The fourth proportional to 2,845.67, 3,926.07 and 1,726.25 is: 2,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.67 : 3,926.07 = 1,726.25 : x
  2. Step 2: Convert to fraction form
    2,845.67/3,926.07 = 1,726.25/x
  3. Step 3: Cross multiply
    2,845.67x = 3,926.07 × 1,726.25
  4. Step 4: Simplify right side
    2,845.67x = 6,777,358.71
  5. Step 5: Solve for x
    x = 6,777,358.71/2,845.67
  6. Step 6: Final answer
    x = 2,381.64

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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.