Home / 4,657.20-6,983.40-3,777.36

Finding the Fourth Proportional to 4,657.20, 6,983.40 and 3,777.36

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Solution

The fourth proportional to 4,657.20, 6,983.40 and 3,777.36 is: 5,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.20 : 6,983.40 = 3,777.36 : x
  2. Step 2: Convert to fraction form
    4,657.20/6,983.40 = 3,777.36/x
  3. Step 3: Cross multiply
    4,657.20x = 6,983.40 × 3,777.36
  4. Step 4: Simplify right side
    4,657.20x = 26,378,815.82
  5. Step 5: Solve for x
    x = 26,378,815.82/4,657.20
  6. Step 6: Final answer
    x = 5,664.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.