Home / 3,061.90-4,226.19-1,736.40

Finding the Fourth Proportional to 3,061.90, 4,226.19 and 1,736.40

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Solution

The fourth proportional to 3,061.90, 4,226.19 and 1,736.40 is: 2,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.90 : 4,226.19 = 1,736.40 : x
  2. Step 2: Convert to fraction form
    3,061.90/4,226.19 = 1,736.40/x
  3. Step 3: Cross multiply
    3,061.90x = 4,226.19 × 1,736.40
  4. Step 4: Simplify right side
    3,061.90x = 7,338,335.19
  5. Step 5: Solve for x
    x = 7,338,335.19/3,061.90
  6. Step 6: Final answer
    x = 2,396.66

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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.