Home / 3,901.50-5,386.10-2,410.22

Finding the Fourth Proportional to 3,901.50, 5,386.10 and 2,410.22

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Solution

The fourth proportional to 3,901.50, 5,386.10 and 2,410.22 is: 3,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.50 : 5,386.10 = 2,410.22 : x
  2. Step 2: Convert to fraction form
    3,901.50/5,386.10 = 2,410.22/x
  3. Step 3: Cross multiply
    3,901.50x = 5,386.10 × 2,410.22
  4. Step 4: Simplify right side
    3,901.50x = 12,981,687.36
  5. Step 5: Solve for x
    x = 12,981,687.36/3,901.50
  6. Step 6: Final answer
    x = 3,327.36

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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.