Home / 4,774.48-7,172.70-3,391.18

Finding the Fourth Proportional to 4,774.48, 7,172.70 and 3,391.18

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Solution

The fourth proportional to 4,774.48, 7,172.70 and 3,391.18 is: 5,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.48 : 7,172.70 = 3,391.18 : x
  2. Step 2: Convert to fraction form
    4,774.48/7,172.70 = 3,391.18/x
  3. Step 3: Cross multiply
    4,774.48x = 7,172.70 × 3,391.18
  4. Step 4: Simplify right side
    4,774.48x = 24,323,916.79
  5. Step 5: Solve for x
    x = 24,323,916.79/4,774.48
  6. Step 6: Final answer
    x = 5,094.57

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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.