Home / 3,025.60-4,173.96-1,905.76

Finding the Fourth Proportional to 3,025.60, 4,173.96 and 1,905.76

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Solution

The fourth proportional to 3,025.60, 4,173.96 and 1,905.76 is: 2,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.60 : 4,173.96 = 1,905.76 : x
  2. Step 2: Convert to fraction form
    3,025.60/4,173.96 = 1,905.76/x
  3. Step 3: Cross multiply
    3,025.60x = 4,173.96 × 1,905.76
  4. Step 4: Simplify right side
    3,025.60x = 7,954,566.01
  5. Step 5: Solve for x
    x = 7,954,566.01/3,025.60
  6. Step 6: Final answer
    x = 2,629.09

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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.