Home / 4,792.18-7,188.28-1,329.43

Finding the Fourth Proportional to 4,792.18, 7,188.28 and 1,329.43

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Solution

The fourth proportional to 4,792.18, 7,188.28 and 1,329.43 is: 1,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.18 : 7,188.28 = 1,329.43 : x
  2. Step 2: Convert to fraction form
    4,792.18/7,188.28 = 1,329.43/x
  3. Step 3: Cross multiply
    4,792.18x = 7,188.28 × 1,329.43
  4. Step 4: Simplify right side
    4,792.18x = 9,556,307.26
  5. Step 5: Solve for x
    x = 9,556,307.26/4,792.18
  6. Step 6: Final answer
    x = 1,994.15

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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.