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Finding the Fourth Proportional to 3,803.47, 5,697.12 and 1,826.19

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Solution

The fourth proportional to 3,803.47, 5,697.12 and 1,826.19 is: 2,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.47 : 5,697.12 = 1,826.19 : x
  2. Step 2: Convert to fraction form
    3,803.47/5,697.12 = 1,826.19/x
  3. Step 3: Cross multiply
    3,803.47x = 5,697.12 × 1,826.19
  4. Step 4: Simplify right side
    3,803.47x = 10,403,985.96
  5. Step 5: Solve for x
    x = 10,403,985.96/3,803.47
  6. Step 6: Final answer
    x = 2,735.39

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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.