Home / 5,312.82-7,965.72-2,973.06

Finding the Fourth Proportional to 5,312.82, 7,965.72 and 2,973.06

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Solution

The fourth proportional to 5,312.82, 7,965.72 and 2,973.06 is: 4,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.82 : 7,965.72 = 2,973.06 : x
  2. Step 2: Convert to fraction form
    5,312.82/7,965.72 = 2,973.06/x
  3. Step 3: Cross multiply
    5,312.82x = 7,965.72 × 2,973.06
  4. Step 4: Simplify right side
    5,312.82x = 23,682,563.50
  5. Step 5: Solve for x
    x = 23,682,563.50/5,312.82
  6. Step 6: Final answer
    x = 4,457.63

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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.