Home / 4,874.32-7,311.96-1,412.08

Finding the Fourth Proportional to 4,874.32, 7,311.96 and 1,412.08

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Solution

The fourth proportional to 4,874.32, 7,311.96 and 1,412.08 is: 2,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.32 : 7,311.96 = 1,412.08 : x
  2. Step 2: Convert to fraction form
    4,874.32/7,311.96 = 1,412.08/x
  3. Step 3: Cross multiply
    4,874.32x = 7,311.96 × 1,412.08
  4. Step 4: Simplify right side
    4,874.32x = 10,325,072.48
  5. Step 5: Solve for x
    x = 10,325,072.48/4,874.32
  6. Step 6: Final answer
    x = 2,118.26

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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.