Home / 4,774.06-7,153.80-2,922.40

Finding the Fourth Proportional to 4,774.06, 7,153.80 and 2,922.40

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Solution

The fourth proportional to 4,774.06, 7,153.80 and 2,922.40 is: 4,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.06 : 7,153.80 = 2,922.40 : x
  2. Step 2: Convert to fraction form
    4,774.06/7,153.80 = 2,922.40/x
  3. Step 3: Cross multiply
    4,774.06x = 7,153.80 × 2,922.40
  4. Step 4: Simplify right side
    4,774.06x = 20,906,265.12
  5. Step 5: Solve for x
    x = 20,906,265.12/4,774.06
  6. Step 6: Final answer
    x = 4,379.14

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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.