Home / 4,727.28-7,091.88-1,651.44

Finding the Fourth Proportional to 4,727.28, 7,091.88 and 1,651.44

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Solution

The fourth proportional to 4,727.28, 7,091.88 and 1,651.44 is: 2,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.28 : 7,091.88 = 1,651.44 : x
  2. Step 2: Convert to fraction form
    4,727.28/7,091.88 = 1,651.44/x
  3. Step 3: Cross multiply
    4,727.28x = 7,091.88 × 1,651.44
  4. Step 4: Simplify right side
    4,727.28x = 11,711,814.31
  5. Step 5: Solve for x
    x = 11,711,814.31/4,727.28
  6. Step 6: Final answer
    x = 2,477.50

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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.