Home / 4,872.14-7,308.91-1,539.26

Finding the Fourth Proportional to 4,872.14, 7,308.91 and 1,539.26

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Solution

The fourth proportional to 4,872.14, 7,308.91 and 1,539.26 is: 2,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.14 : 7,308.91 = 1,539.26 : x
  2. Step 2: Convert to fraction form
    4,872.14/7,308.91 = 1,539.26/x
  3. Step 3: Cross multiply
    4,872.14x = 7,308.91 × 1,539.26
  4. Step 4: Simplify right side
    4,872.14x = 11,250,312.81
  5. Step 5: Solve for x
    x = 11,250,312.81/4,872.14
  6. Step 6: Final answer
    x = 2,309.11

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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.