Home / 7,551.58-11,321.88-3,805.66

Finding the Fourth Proportional to 7,551.58, 11,321.88 and 3,805.66

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Solution

The fourth proportional to 7,551.58, 11,321.88 and 3,805.66 is: 5,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.58 : 11,321.88 = 3,805.66 : x
  2. Step 2: Convert to fraction form
    7,551.58/11,321.88 = 3,805.66/x
  3. Step 3: Cross multiply
    7,551.58x = 11,321.88 × 3,805.66
  4. Step 4: Simplify right side
    7,551.58x = 43,087,225.84
  5. Step 5: Solve for x
    x = 43,087,225.84/7,551.58
  6. Step 6: Final answer
    x = 5,705.72

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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.