Home / 3,385.98-4,678.54-2,795.48

Finding the Fourth Proportional to 3,385.98, 4,678.54 and 2,795.48

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Solution

The fourth proportional to 3,385.98, 4,678.54 and 2,795.48 is: 3,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.98 : 4,678.54 = 2,795.48 : x
  2. Step 2: Convert to fraction form
    3,385.98/4,678.54 = 2,795.48/x
  3. Step 3: Cross multiply
    3,385.98x = 4,678.54 × 2,795.48
  4. Step 4: Simplify right side
    3,385.98x = 13,078,765.00
  5. Step 5: Solve for x
    x = 13,078,765.00/3,385.98
  6. Step 6: Final answer
    x = 3,862.62

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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.