Home / 2,998.98-4,139.09-1,741.08

Finding the Fourth Proportional to 2,998.98, 4,139.09 and 1,741.08

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Solution

The fourth proportional to 2,998.98, 4,139.09 and 1,741.08 is: 2,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.98 : 4,139.09 = 1,741.08 : x
  2. Step 2: Convert to fraction form
    2,998.98/4,139.09 = 1,741.08/x
  3. Step 3: Cross multiply
    2,998.98x = 4,139.09 × 1,741.08
  4. Step 4: Simplify right side
    2,998.98x = 7,206,476.47
  5. Step 5: Solve for x
    x = 7,206,476.47/2,998.98
  6. Step 6: Final answer
    x = 2,402.98

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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.