Home / 4,711.89-7,067.55-1,591.77

Finding the Fourth Proportional to 4,711.89, 7,067.55 and 1,591.77

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Solution

The fourth proportional to 4,711.89, 7,067.55 and 1,591.77 is: 2,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.89 : 7,067.55 = 1,591.77 : x
  2. Step 2: Convert to fraction form
    4,711.89/7,067.55 = 1,591.77/x
  3. Step 3: Cross multiply
    4,711.89x = 7,067.55 × 1,591.77
  4. Step 4: Simplify right side
    4,711.89x = 11,249,914.06
  5. Step 5: Solve for x
    x = 11,249,914.06/4,711.89
  6. Step 6: Final answer
    x = 2,387.56

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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.