Home / 2,774.18-3,829.40-1,726.04

Finding the Fourth Proportional to 2,774.18, 3,829.40 and 1,726.04

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Solution

The fourth proportional to 2,774.18, 3,829.40 and 1,726.04 is: 2,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.18 : 3,829.40 = 1,726.04 : x
  2. Step 2: Convert to fraction form
    2,774.18/3,829.40 = 1,726.04/x
  3. Step 3: Cross multiply
    2,774.18x = 3,829.40 × 1,726.04
  4. Step 4: Simplify right side
    2,774.18x = 6,609,669.80
  5. Step 5: Solve for x
    x = 6,609,669.80/2,774.18
  6. Step 6: Final answer
    x = 2,382.57

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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.