Home / 2,175.96-3,001.44-1,816.08

Finding the Fourth Proportional to 2,175.96, 3,001.44 and 1,816.08

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Solution

The fourth proportional to 2,175.96, 3,001.44 and 1,816.08 is: 2,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.96 : 3,001.44 = 1,816.08 : x
  2. Step 2: Convert to fraction form
    2,175.96/3,001.44 = 1,816.08/x
  3. Step 3: Cross multiply
    2,175.96x = 3,001.44 × 1,816.08
  4. Step 4: Simplify right side
    2,175.96x = 5,450,855.16
  5. Step 5: Solve for x
    x = 5,450,855.16/2,175.96
  6. Step 6: Final answer
    x = 2,505.03

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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.