Home / 1,816.07-2,500.37-1,583.09

Finding the Fourth Proportional to 1,816.07, 2,500.37 and 1,583.09

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Solution

The fourth proportional to 1,816.07, 2,500.37 and 1,583.09 is: 2,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.07 : 2,500.37 = 1,583.09 : x
  2. Step 2: Convert to fraction form
    1,816.07/2,500.37 = 1,583.09/x
  3. Step 3: Cross multiply
    1,816.07x = 2,500.37 × 1,583.09
  4. Step 4: Simplify right side
    1,816.07x = 3,958,290.33
  5. Step 5: Solve for x
    x = 3,958,290.33/1,816.07
  6. Step 6: Final answer
    x = 2,179.60

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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.