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Finding the Fourth Proportional to 3,135.35, 4,699.96 and 1,749.35

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Solution

The fourth proportional to 3,135.35, 4,699.96 and 1,749.35 is: 2,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.35 : 4,699.96 = 1,749.35 : x
  2. Step 2: Convert to fraction form
    3,135.35/4,699.96 = 1,749.35/x
  3. Step 3: Cross multiply
    3,135.35x = 4,699.96 × 1,749.35
  4. Step 4: Simplify right side
    3,135.35x = 8,221,882.40
  5. Step 5: Solve for x
    x = 8,221,882.40/3,135.35
  6. Step 6: Final answer
    x = 2,622.32

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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.