Home / 3,809.52-5,255.73-2,692.35

Finding the Fourth Proportional to 3,809.52, 5,255.73 and 2,692.35

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Solution

The fourth proportional to 3,809.52, 5,255.73 and 2,692.35 is: 3,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.52 : 5,255.73 = 2,692.35 : x
  2. Step 2: Convert to fraction form
    3,809.52/5,255.73 = 2,692.35/x
  3. Step 3: Cross multiply
    3,809.52x = 5,255.73 × 2,692.35
  4. Step 4: Simplify right side
    3,809.52x = 14,150,264.67
  5. Step 5: Solve for x
    x = 14,150,264.67/3,809.52
  6. Step 6: Final answer
    x = 3,714.45

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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.