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Finding the Fourth Proportional to 3,894.03, 5,373.66 and 3,580.56

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Solution

The fourth proportional to 3,894.03, 5,373.66 and 3,580.56 is: 4,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.03 : 5,373.66 = 3,580.56 : x
  2. Step 2: Convert to fraction form
    3,894.03/5,373.66 = 3,580.56/x
  3. Step 3: Cross multiply
    3,894.03x = 5,373.66 × 3,580.56
  4. Step 4: Simplify right side
    3,894.03x = 19,240,705.34
  5. Step 5: Solve for x
    x = 19,240,705.34/3,894.03
  6. Step 6: Final answer
    x = 4,941.08

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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.