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Finding the Fourth Proportional to 5,907.88, 8,152.88 and 3,255.40

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Solution

The fourth proportional to 5,907.88, 8,152.88 and 3,255.40 is: 4,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.88 : 8,152.88 = 3,255.40 : x
  2. Step 2: Convert to fraction form
    5,907.88/8,152.88 = 3,255.40/x
  3. Step 3: Cross multiply
    5,907.88x = 8,152.88 × 3,255.40
  4. Step 4: Simplify right side
    5,907.88x = 26,540,885.55
  5. Step 5: Solve for x
    x = 26,540,885.55/5,907.88
  6. Step 6: Final answer
    x = 4,492.46

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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.