Home / 7,687.35-11,522.16-3,740.58

Finding the Fourth Proportional to 7,687.35, 11,522.16 and 3,740.58

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Solution

The fourth proportional to 7,687.35, 11,522.16 and 3,740.58 is: 5,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.35 : 11,522.16 = 3,740.58 : x
  2. Step 2: Convert to fraction form
    7,687.35/11,522.16 = 3,740.58/x
  3. Step 3: Cross multiply
    7,687.35x = 11,522.16 × 3,740.58
  4. Step 4: Simplify right side
    7,687.35x = 43,099,561.25
  5. Step 5: Solve for x
    x = 43,099,561.25/7,687.35
  6. Step 6: Final answer
    x = 5,606.56

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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.