Home / 7,531.05-11,297.25-1,984.31

Finding the Fourth Proportional to 7,531.05, 11,297.25 and 1,984.31

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Solution

The fourth proportional to 7,531.05, 11,297.25 and 1,984.31 is: 2,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.05 : 11,297.25 = 1,984.31 : x
  2. Step 2: Convert to fraction form
    7,531.05/11,297.25 = 1,984.31/x
  3. Step 3: Cross multiply
    7,531.05x = 11,297.25 × 1,984.31
  4. Step 4: Simplify right side
    7,531.05x = 22,417,246.15
  5. Step 5: Solve for x
    x = 22,417,246.15/7,531.05
  6. Step 6: Final answer
    x = 2,976.64

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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.