Home / 2,759.09-4,141.65-1,116.74

Finding the Fourth Proportional to 2,759.09, 4,141.65 and 1,116.74

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Solution

The fourth proportional to 2,759.09, 4,141.65 and 1,116.74 is: 1,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.09 : 4,141.65 = 1,116.74 : x
  2. Step 2: Convert to fraction form
    2,759.09/4,141.65 = 1,116.74/x
  3. Step 3: Cross multiply
    2,759.09x = 4,141.65 × 1,116.74
  4. Step 4: Simplify right side
    2,759.09x = 4,625,125.51
  5. Step 5: Solve for x
    x = 4,625,125.51/2,759.09
  6. Step 6: Final answer
    x = 1,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.