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Finding the Fourth Proportional to 5,907.77, 8,153.09 and 3,255.18

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Solution

The fourth proportional to 5,907.77, 8,153.09 and 3,255.18 is: 4,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.77 : 8,153.09 = 3,255.18 : x
  2. Step 2: Convert to fraction form
    5,907.77/8,153.09 = 3,255.18/x
  3. Step 3: Cross multiply
    5,907.77x = 8,153.09 × 3,255.18
  4. Step 4: Simplify right side
    5,907.77x = 26,539,759.23
  5. Step 5: Solve for x
    x = 26,539,759.23/5,907.77
  6. Step 6: Final answer
    x = 4,492.35

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Half scale
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Double scale
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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.