Home / 4,792.16-7,188.28-1,329.68

Finding the Fourth Proportional to 4,792.16, 7,188.28 and 1,329.68

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Solution

The fourth proportional to 4,792.16, 7,188.28 and 1,329.68 is: 1,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.16 : 7,188.28 = 1,329.68 : x
  2. Step 2: Convert to fraction form
    4,792.16/7,188.28 = 1,329.68/x
  3. Step 3: Cross multiply
    4,792.16x = 7,188.28 × 1,329.68
  4. Step 4: Simplify right side
    4,792.16x = 9,558,112.15
  5. Step 5: Solve for x
    x = 9,558,112.15/4,792.16
  6. Step 6: Final answer
    x = 1,994.53

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1.5x scale

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.