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Finding the Fourth Proportional to 6,392.36, 8,820.78 and 3,597.32

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Solution

The fourth proportional to 6,392.36, 8,820.78 and 3,597.32 is: 4,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.36 : 8,820.78 = 3,597.32 : x
  2. Step 2: Convert to fraction form
    6,392.36/8,820.78 = 3,597.32/x
  3. Step 3: Cross multiply
    6,392.36x = 8,820.78 × 3,597.32
  4. Step 4: Simplify right side
    6,392.36x = 31,731,168.31
  5. Step 5: Solve for x
    x = 31,731,168.31/6,392.36
  6. Step 6: Final answer
    x = 4,963.92

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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.