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Finding the Fourth Proportional to 3,703.03, 5,108.97 and 2,640.97

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Solution

The fourth proportional to 3,703.03, 5,108.97 and 2,640.97 is: 3,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.03 : 5,108.97 = 2,640.97 : x
  2. Step 2: Convert to fraction form
    3,703.03/5,108.97 = 2,640.97/x
  3. Step 3: Cross multiply
    3,703.03x = 5,108.97 × 2,640.97
  4. Step 4: Simplify right side
    3,703.03x = 13,492,636.50
  5. Step 5: Solve for x
    x = 13,492,636.50/3,703.03
  6. Step 6: Final answer
    x = 3,643.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.