Home / 3,061.68-4,225.07-1,664.43

Finding the Fourth Proportional to 3,061.68, 4,225.07 and 1,664.43

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Solution

The fourth proportional to 3,061.68, 4,225.07 and 1,664.43 is: 2,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.68 : 4,225.07 = 1,664.43 : x
  2. Step 2: Convert to fraction form
    3,061.68/4,225.07 = 1,664.43/x
  3. Step 3: Cross multiply
    3,061.68x = 4,225.07 × 1,664.43
  4. Step 4: Simplify right side
    3,061.68x = 7,032,316.30
  5. Step 5: Solve for x
    x = 7,032,316.30/3,061.68
  6. Step 6: Final answer
    x = 2,296.89

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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.