Home / 7,049.40-9,716.88-5,554.84

Finding the Fourth Proportional to 7,049.40, 9,716.88 and 5,554.84

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Solution

The fourth proportional to 7,049.40, 9,716.88 and 5,554.84 is: 7,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.40 : 9,716.88 = 5,554.84 : x
  2. Step 2: Convert to fraction form
    7,049.40/9,716.88 = 5,554.84/x
  3. Step 3: Cross multiply
    7,049.40x = 9,716.88 × 5,554.84
  4. Step 4: Simplify right side
    7,049.40x = 53,975,713.70
  5. Step 5: Solve for x
    x = 53,975,713.70/7,049.40
  6. Step 6: Final answer
    x = 7,656.78

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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.