Home / 1,583.37-2,186.52-1,189.71

Finding the Fourth Proportional to 1,583.37, 2,186.52 and 1,189.71

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Solution

The fourth proportional to 1,583.37, 2,186.52 and 1,189.71 is: 1,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.37 : 2,186.52 = 1,189.71 : x
  2. Step 2: Convert to fraction form
    1,583.37/2,186.52 = 1,189.71/x
  3. Step 3: Cross multiply
    1,583.37x = 2,186.52 × 1,189.71
  4. Step 4: Simplify right side
    1,583.37x = 2,601,324.71
  5. Step 5: Solve for x
    x = 2,601,324.71/1,583.37
  6. Step 6: Final answer
    x = 1,642.90

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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.