Home / 7,422.96-11,125-3,035.28

Finding the Fourth Proportional to 7,422.96, 11,125 and 3,035.28

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Solution

The fourth proportional to 7,422.96, 11,125 and 3,035.28 is: 4,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.96 : 11,125 = 3,035.28 : x
  2. Step 2: Convert to fraction form
    7,422.96/11,125 = 3,035.28/x
  3. Step 3: Cross multiply
    7,422.96x = 11,125 × 3,035.28
  4. Step 4: Simplify right side
    7,422.96x = 33,767,490
  5. Step 5: Solve for x
    x = 33,767,490/7,422.96
  6. Step 6: Final answer
    x = 4,549.06

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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.