Home / 3,462.19-4,777.97-1,970.37

Finding the Fourth Proportional to 3,462.19, 4,777.97 and 1,970.37

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Solution

The fourth proportional to 3,462.19, 4,777.97 and 1,970.37 is: 2,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.19 : 4,777.97 = 1,970.37 : x
  2. Step 2: Convert to fraction form
    3,462.19/4,777.97 = 1,970.37/x
  3. Step 3: Cross multiply
    3,462.19x = 4,777.97 × 1,970.37
  4. Step 4: Simplify right side
    3,462.19x = 9,414,358.90
  5. Step 5: Solve for x
    x = 9,414,358.90/3,462.19
  6. Step 6: Final answer
    x = 2,719.19

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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.