Home / 6,871.48-9,482.66-3,727.64

Finding the Fourth Proportional to 6,871.48, 9,482.66 and 3,727.64

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Solution

The fourth proportional to 6,871.48, 9,482.66 and 3,727.64 is: 5,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.48 : 9,482.66 = 3,727.64 : x
  2. Step 2: Convert to fraction form
    6,871.48/9,482.66 = 3,727.64/x
  3. Step 3: Cross multiply
    6,871.48x = 9,482.66 × 3,727.64
  4. Step 4: Simplify right side
    6,871.48x = 35,347,942.72
  5. Step 5: Solve for x
    x = 35,347,942.72/6,871.48
  6. Step 6: Final answer
    x = 5,144.15

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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.