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Finding the Fourth Proportional to 3,736.32, 5,602.85 and 1,270.47

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Solution

The fourth proportional to 3,736.32, 5,602.85 and 1,270.47 is: 1,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.32 : 5,602.85 = 1,270.47 : x
  2. Step 2: Convert to fraction form
    3,736.32/5,602.85 = 1,270.47/x
  3. Step 3: Cross multiply
    3,736.32x = 5,602.85 × 1,270.47
  4. Step 4: Simplify right side
    3,736.32x = 7,118,252.84
  5. Step 5: Solve for x
    x = 7,118,252.84/3,736.32
  6. Step 6: Final answer
    x = 1,905.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.