Home / 1,923.57-2,646.99-1,866.60

Finding the Fourth Proportional to 1,923.57, 2,646.99 and 1,866.60

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Solution

The fourth proportional to 1,923.57, 2,646.99 and 1,866.60 is: 2,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.57 : 2,646.99 = 1,866.60 : x
  2. Step 2: Convert to fraction form
    1,923.57/2,646.99 = 1,866.60/x
  3. Step 3: Cross multiply
    1,923.57x = 2,646.99 × 1,866.60
  4. Step 4: Simplify right side
    1,923.57x = 4,940,871.53
  5. Step 5: Solve for x
    x = 4,940,871.53/1,923.57
  6. Step 6: Final answer
    x = 2,568.59

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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.