Home / 4,874.42-6,727.20-2,987.27

Finding the Fourth Proportional to 4,874.42, 6,727.20 and 2,987.27

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Solution

The fourth proportional to 4,874.42, 6,727.20 and 2,987.27 is: 4,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.42 : 6,727.20 = 2,987.27 : x
  2. Step 2: Convert to fraction form
    4,874.42/6,727.20 = 2,987.27/x
  3. Step 3: Cross multiply
    4,874.42x = 6,727.20 × 2,987.27
  4. Step 4: Simplify right side
    4,874.42x = 20,095,962.74
  5. Step 5: Solve for x
    x = 20,095,962.74/4,874.42
  6. Step 6: Final answer
    x = 4,122.74

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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.