Home / 4,449.08-6,672-1,981.46

Finding the Fourth Proportional to 4,449.08, 6,672 and 1,981.46

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Solution

The fourth proportional to 4,449.08, 6,672 and 1,981.46 is: 2,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.08 : 6,672 = 1,981.46 : x
  2. Step 2: Convert to fraction form
    4,449.08/6,672 = 1,981.46/x
  3. Step 3: Cross multiply
    4,449.08x = 6,672 × 1,981.46
  4. Step 4: Simplify right side
    4,449.08x = 13,220,301.12
  5. Step 5: Solve for x
    x = 13,220,301.12/4,449.08
  6. Step 6: Final answer
    x = 2,971.47

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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.