Home / 3,437.18-4,745.18-2,591.20

Finding the Fourth Proportional to 3,437.18, 4,745.18 and 2,591.20

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Solution

The fourth proportional to 3,437.18, 4,745.18 and 2,591.20 is: 3,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.18 : 4,745.18 = 2,591.20 : x
  2. Step 2: Convert to fraction form
    3,437.18/4,745.18 = 2,591.20/x
  3. Step 3: Cross multiply
    3,437.18x = 4,745.18 × 2,591.20
  4. Step 4: Simplify right side
    3,437.18x = 12,295,722.83
  5. Step 5: Solve for x
    x = 12,295,722.83/3,437.18
  6. Step 6: Final answer
    x = 3,577.27

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Half scale
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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.