Home / 2,165.10-3,247.32-704.25

Finding the Fourth Proportional to 2,165.10, 3,247.32 and 704.25

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Solution

The fourth proportional to 2,165.10, 3,247.32 and 704.25 is: 1,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.10 : 3,247.32 = 704.25 : x
  2. Step 2: Convert to fraction form
    2,165.10/3,247.32 = 704.25/x
  3. Step 3: Cross multiply
    2,165.10x = 3,247.32 × 704.25
  4. Step 4: Simplify right side
    2,165.10x = 2,286,925.11
  5. Step 5: Solve for x
    x = 2,286,925.11/2,165.10
  6. Step 6: Final answer
    x = 1,056.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.