Home / 1,606.93-2,217.58-943.79

Finding the Fourth Proportional to 1,606.93, 2,217.58 and 943.79

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Solution

The fourth proportional to 1,606.93, 2,217.58 and 943.79 is: 1,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.93 : 2,217.58 = 943.79 : x
  2. Step 2: Convert to fraction form
    1,606.93/2,217.58 = 943.79/x
  3. Step 3: Cross multiply
    1,606.93x = 2,217.58 × 943.79
  4. Step 4: Simplify right side
    1,606.93x = 2,092,933.01
  5. Step 5: Solve for x
    x = 2,092,933.01/1,606.93
  6. Step 6: Final answer
    x = 1,302.44

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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.