Home / 5,334.60-7,362.12-2,976.78

Finding the Fourth Proportional to 5,334.60, 7,362.12 and 2,976.78

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Solution

The fourth proportional to 5,334.60, 7,362.12 and 2,976.78 is: 4,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.60 : 7,362.12 = 2,976.78 : x
  2. Step 2: Convert to fraction form
    5,334.60/7,362.12 = 2,976.78/x
  3. Step 3: Cross multiply
    5,334.60x = 7,362.12 × 2,976.78
  4. Step 4: Simplify right side
    5,334.60x = 21,915,411.57
  5. Step 5: Solve for x
    x = 21,915,411.57/5,334.60
  6. Step 6: Final answer
    x = 4,108.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.