Home / 7,057.12-10,586.71-3,768.42

Finding the Fourth Proportional to 7,057.12, 10,586.71 and 3,768.42

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Solution

The fourth proportional to 7,057.12, 10,586.71 and 3,768.42 is: 5,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.12 : 10,586.71 = 3,768.42 : x
  2. Step 2: Convert to fraction form
    7,057.12/10,586.71 = 3,768.42/x
  3. Step 3: Cross multiply
    7,057.12x = 10,586.71 × 3,768.42
  4. Step 4: Simplify right side
    7,057.12x = 39,895,169.70
  5. Step 5: Solve for x
    x = 39,895,169.70/7,057.12
  6. Step 6: Final answer
    x = 5,653.18

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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.