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Finding the Fourth Proportional to 3,710.70, 5,523.65 and 3,655.34

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Solution

The fourth proportional to 3,710.70, 5,523.65 and 3,655.34 is: 5,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.70 : 5,523.65 = 3,655.34 : x
  2. Step 2: Convert to fraction form
    3,710.70/5,523.65 = 3,655.34/x
  3. Step 3: Cross multiply
    3,710.70x = 5,523.65 × 3,655.34
  4. Step 4: Simplify right side
    3,710.70x = 20,190,772.90
  5. Step 5: Solve for x
    x = 20,190,772.90/3,710.70
  6. Step 6: Final answer
    x = 5,441.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.