Home / 2,455.30-3,387.14-2,361.04

Finding the Fourth Proportional to 2,455.30, 3,387.14 and 2,361.04

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Solution

The fourth proportional to 2,455.30, 3,387.14 and 2,361.04 is: 3,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.30 : 3,387.14 = 2,361.04 : x
  2. Step 2: Convert to fraction form
    2,455.30/3,387.14 = 2,361.04/x
  3. Step 3: Cross multiply
    2,455.30x = 3,387.14 × 2,361.04
  4. Step 4: Simplify right side
    2,455.30x = 7,997,173.03
  5. Step 5: Solve for x
    x = 7,997,173.03/2,455.30
  6. Step 6: Final answer
    x = 3,257.11

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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.