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Finding the Fourth Proportional to 5,647.32, 7,795.98 and 3,762.05

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Solution

The fourth proportional to 5,647.32, 7,795.98 and 3,762.05 is: 5,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.32 : 7,795.98 = 3,762.05 : x
  2. Step 2: Convert to fraction form
    5,647.32/7,795.98 = 3,762.05/x
  3. Step 3: Cross multiply
    5,647.32x = 7,795.98 × 3,762.05
  4. Step 4: Simplify right side
    5,647.32x = 29,328,827.58
  5. Step 5: Solve for x
    x = 29,328,827.58/5,647.32
  6. Step 6: Final answer
    x = 5,193.41

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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.