Home / 3,845.22-5,296.05-3,320.34

Finding the Fourth Proportional to 3,845.22, 5,296.05 and 3,320.34

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Solution

The fourth proportional to 3,845.22, 5,296.05 and 3,320.34 is: 4,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.22 : 5,296.05 = 3,320.34 : x
  2. Step 2: Convert to fraction form
    3,845.22/5,296.05 = 3,320.34/x
  3. Step 3: Cross multiply
    3,845.22x = 5,296.05 × 3,320.34
  4. Step 4: Simplify right side
    3,845.22x = 17,584,686.66
  5. Step 5: Solve for x
    x = 17,584,686.66/3,845.22
  6. Step 6: Final answer
    x = 4,573.13

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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.