Home / 2,954.20-4,077.24-1,775.32

Finding the Fourth Proportional to 2,954.20, 4,077.24 and 1,775.32

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Solution

The fourth proportional to 2,954.20, 4,077.24 and 1,775.32 is: 2,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.20 : 4,077.24 = 1,775.32 : x
  2. Step 2: Convert to fraction form
    2,954.20/4,077.24 = 1,775.32/x
  3. Step 3: Cross multiply
    2,954.20x = 4,077.24 × 1,775.32
  4. Step 4: Simplify right side
    2,954.20x = 7,238,405.72
  5. Step 5: Solve for x
    x = 7,238,405.72/2,954.20
  6. Step 6: Final answer
    x = 2,450.21

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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.