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Finding the Fourth Proportional to 3,483.78, 4,805.82 and 2,364.30

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Solution

The fourth proportional to 3,483.78, 4,805.82 and 2,364.30 is: 3,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.78 : 4,805.82 = 2,364.30 : x
  2. Step 2: Convert to fraction form
    3,483.78/4,805.82 = 2,364.30/x
  3. Step 3: Cross multiply
    3,483.78x = 4,805.82 × 2,364.30
  4. Step 4: Simplify right side
    3,483.78x = 11,362,400.23
  5. Step 5: Solve for x
    x = 11,362,400.23/3,483.78
  6. Step 6: Final answer
    x = 3,261.51

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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.