Home / 7,050.60-9,729.70-4,066.56

Finding the Fourth Proportional to 7,050.60, 9,729.70 and 4,066.56

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Solution

The fourth proportional to 7,050.60, 9,729.70 and 4,066.56 is: 5,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.60 : 9,729.70 = 4,066.56 : x
  2. Step 2: Convert to fraction form
    7,050.60/9,729.70 = 4,066.56/x
  3. Step 3: Cross multiply
    7,050.60x = 9,729.70 × 4,066.56
  4. Step 4: Simplify right side
    7,050.60x = 39,566,408.83
  5. Step 5: Solve for x
    x = 39,566,408.83/7,050.60
  6. Step 6: Final answer
    x = 5,611.78

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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.