Home / 1,740.19-2,397.99-1,241.42

Finding the Fourth Proportional to 1,740.19, 2,397.99 and 1,241.42

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Solution

The fourth proportional to 1,740.19, 2,397.99 and 1,241.42 is: 1,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.19 : 2,397.99 = 1,241.42 : x
  2. Step 2: Convert to fraction form
    1,740.19/2,397.99 = 1,241.42/x
  3. Step 3: Cross multiply
    1,740.19x = 2,397.99 × 1,241.42
  4. Step 4: Simplify right side
    1,740.19x = 2,976,912.75
  5. Step 5: Solve for x
    x = 2,976,912.75/1,740.19
  6. Step 6: Final answer
    x = 1,710.69

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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.