Home / 3,531.12-5,296.86-1,776.12

Finding the Fourth Proportional to 3,531.12, 5,296.86 and 1,776.12

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Solution

The fourth proportional to 3,531.12, 5,296.86 and 1,776.12 is: 2,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.12 : 5,296.86 = 1,776.12 : x
  2. Step 2: Convert to fraction form
    3,531.12/5,296.86 = 1,776.12/x
  3. Step 3: Cross multiply
    3,531.12x = 5,296.86 × 1,776.12
  4. Step 4: Simplify right side
    3,531.12x = 9,407,858.98
  5. Step 5: Solve for x
    x = 9,407,858.98/3,531.12
  6. Step 6: Final answer
    x = 2,664.27

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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.