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Finding the Fourth Proportional to 3,750.90, 5,592.17 and 3,655.05

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Solution

The fourth proportional to 3,750.90, 5,592.17 and 3,655.05 is: 5,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.90 : 5,592.17 = 3,655.05 : x
  2. Step 2: Convert to fraction form
    3,750.90/5,592.17 = 3,655.05/x
  3. Step 3: Cross multiply
    3,750.90x = 5,592.17 × 3,655.05
  4. Step 4: Simplify right side
    3,750.90x = 20,439,674.84
  5. Step 5: Solve for x
    x = 20,439,674.84/3,750.90
  6. Step 6: Final answer
    x = 5,449.27

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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.