Home / 2,176.27-3,001.75-1,816.36

Finding the Fourth Proportional to 2,176.27, 3,001.75 and 1,816.36

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Solution

The fourth proportional to 2,176.27, 3,001.75 and 1,816.36 is: 2,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.27 : 3,001.75 = 1,816.36 : x
  2. Step 2: Convert to fraction form
    2,176.27/3,001.75 = 1,816.36/x
  3. Step 3: Cross multiply
    2,176.27x = 3,001.75 × 1,816.36
  4. Step 4: Simplify right side
    2,176.27x = 5,452,258.63
  5. Step 5: Solve for x
    x = 5,452,258.63/2,176.27
  6. Step 6: Final answer
    x = 2,505.32

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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.