Home / 3,061.68-4,225.02-1,664.42

Finding the Fourth Proportional to 3,061.68, 4,225.02 and 1,664.42

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Solution

The fourth proportional to 3,061.68, 4,225.02 and 1,664.42 is: 2,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.68 : 4,225.02 = 1,664.42 : x
  2. Step 2: Convert to fraction form
    3,061.68/4,225.02 = 1,664.42/x
  3. Step 3: Cross multiply
    3,061.68x = 4,225.02 × 1,664.42
  4. Step 4: Simplify right side
    3,061.68x = 7,032,207.79
  5. Step 5: Solve for x
    x = 7,032,207.79/3,061.68
  6. Step 6: Final answer
    x = 2,296.85

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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.