Home / 2,910.51-4,016.56-1,651.54

Finding the Fourth Proportional to 2,910.51, 4,016.56 and 1,651.54

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Solution

The fourth proportional to 2,910.51, 4,016.56 and 1,651.54 is: 2,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.51 : 4,016.56 = 1,651.54 : x
  2. Step 2: Convert to fraction form
    2,910.51/4,016.56 = 1,651.54/x
  3. Step 3: Cross multiply
    2,910.51x = 4,016.56 × 1,651.54
  4. Step 4: Simplify right side
    2,910.51x = 6,633,519.54
  5. Step 5: Solve for x
    x = 6,633,519.54/2,910.51
  6. Step 6: Final answer
    x = 2,279.16

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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.