Home / 3,101.19-4,279.59-1,703.94

Finding the Fourth Proportional to 3,101.19, 4,279.59 and 1,703.94

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Solution

The fourth proportional to 3,101.19, 4,279.59 and 1,703.94 is: 2,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.19 : 4,279.59 = 1,703.94 : x
  2. Step 2: Convert to fraction form
    3,101.19/4,279.59 = 1,703.94/x
  3. Step 3: Cross multiply
    3,101.19x = 4,279.59 × 1,703.94
  4. Step 4: Simplify right side
    3,101.19x = 7,292,164.58
  5. Step 5: Solve for x
    x = 7,292,164.58/3,101.19
  6. Step 6: Final answer
    x = 2,351.41

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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.