Home / 4,621.03-6,920.51-2,667.31

Finding the Fourth Proportional to 4,621.03, 6,920.51 and 2,667.31

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Solution

The fourth proportional to 4,621.03, 6,920.51 and 2,667.31 is: 3,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.03 : 6,920.51 = 2,667.31 : x
  2. Step 2: Convert to fraction form
    4,621.03/6,920.51 = 2,667.31/x
  3. Step 3: Cross multiply
    4,621.03x = 6,920.51 × 2,667.31
  4. Step 4: Simplify right side
    4,621.03x = 18,459,114.89
  5. Step 5: Solve for x
    x = 18,459,114.89/4,621.03
  6. Step 6: Final answer
    x = 3,994.59

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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.