Home / 3,968.08-5,464.40-3,714.53

Finding the Fourth Proportional to 3,968.08, 5,464.40 and 3,714.53

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Solution

The fourth proportional to 3,968.08, 5,464.40 and 3,714.53 is: 5,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.08 : 5,464.40 = 3,714.53 : x
  2. Step 2: Convert to fraction form
    3,968.08/5,464.40 = 3,714.53/x
  3. Step 3: Cross multiply
    3,968.08x = 5,464.40 × 3,714.53
  4. Step 4: Simplify right side
    3,968.08x = 20,297,663.18
  5. Step 5: Solve for x
    x = 20,297,663.18/3,968.08
  6. Step 6: Final answer
    x = 5,115.23

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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.