Home / 6,871.65-9,482.87-3,727.83

Finding the Fourth Proportional to 6,871.65, 9,482.87 and 3,727.83

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Solution

The fourth proportional to 6,871.65, 9,482.87 and 3,727.83 is: 5,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.65 : 9,482.87 = 3,727.83 : x
  2. Step 2: Convert to fraction form
    6,871.65/9,482.87 = 3,727.83/x
  3. Step 3: Cross multiply
    6,871.65x = 9,482.87 × 3,727.83
  4. Step 4: Simplify right side
    6,871.65x = 35,350,550.98
  5. Step 5: Solve for x
    x = 35,350,550.98/6,871.65
  6. Step 6: Final answer
    x = 5,144.41

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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.