Home / 2,221.04-3,061.66-1,827.38

Finding the Fourth Proportional to 2,221.04, 3,061.66 and 1,827.38

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Solution

The fourth proportional to 2,221.04, 3,061.66 and 1,827.38 is: 2,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.04 : 3,061.66 = 1,827.38 : x
  2. Step 2: Convert to fraction form
    2,221.04/3,061.66 = 1,827.38/x
  3. Step 3: Cross multiply
    2,221.04x = 3,061.66 × 1,827.38
  4. Step 4: Simplify right side
    2,221.04x = 5,594,816.25
  5. Step 5: Solve for x
    x = 5,594,816.25/2,221.04
  6. Step 6: Final answer
    x = 2,519.01

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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.