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Finding the Fourth Proportional to 3,730.72, 5,595.72 and 1,133.68

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Solution

The fourth proportional to 3,730.72, 5,595.72 and 1,133.68 is: 1,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.72 : 5,595.72 = 1,133.68 : x
  2. Step 2: Convert to fraction form
    3,730.72/5,595.72 = 1,133.68/x
  3. Step 3: Cross multiply
    3,730.72x = 5,595.72 × 1,133.68
  4. Step 4: Simplify right side
    3,730.72x = 6,343,755.85
  5. Step 5: Solve for x
    x = 6,343,755.85/3,730.72
  6. Step 6: Final answer
    x = 1,700.41

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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.