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Finding the Fourth Proportional to 5,366.77, 7,406.20 and 2,976.79

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Solution

The fourth proportional to 5,366.77, 7,406.20 and 2,976.79 is: 4,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.77 : 7,406.20 = 2,976.79 : x
  2. Step 2: Convert to fraction form
    5,366.77/7,406.20 = 2,976.79/x
  3. Step 3: Cross multiply
    5,366.77x = 7,406.20 × 2,976.79
  4. Step 4: Simplify right side
    5,366.77x = 22,046,665.07
  5. Step 5: Solve for x
    x = 22,046,665.07/5,366.77
  6. Step 6: Final answer
    x = 4,108.00

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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.