Home / 3,464.02-4,781.37-2,120.14

Finding the Fourth Proportional to 3,464.02, 4,781.37 and 2,120.14

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Solution

The fourth proportional to 3,464.02, 4,781.37 and 2,120.14 is: 2,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.02 : 4,781.37 = 2,120.14 : x
  2. Step 2: Convert to fraction form
    3,464.02/4,781.37 = 2,120.14/x
  3. Step 3: Cross multiply
    3,464.02x = 4,781.37 × 2,120.14
  4. Step 4: Simplify right side
    3,464.02x = 10,137,173.79
  5. Step 5: Solve for x
    x = 10,137,173.79/3,464.02
  6. Step 6: Final answer
    x = 2,926.42

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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.