Home / 1,606.24-2,216.22-943.12

Finding the Fourth Proportional to 1,606.24, 2,216.22 and 943.12

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Solution

The fourth proportional to 1,606.24, 2,216.22 and 943.12 is: 1,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.24 : 2,216.22 = 943.12 : x
  2. Step 2: Convert to fraction form
    1,606.24/2,216.22 = 943.12/x
  3. Step 3: Cross multiply
    1,606.24x = 2,216.22 × 943.12
  4. Step 4: Simplify right side
    1,606.24x = 2,090,161.41
  5. Step 5: Solve for x
    x = 2,090,161.41/1,606.24
  6. Step 6: Final answer
    x = 1,301.28

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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.