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Finding the Fourth Proportional to 1,879.71, 2,592.07 and 1,133.52

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Solution

The fourth proportional to 1,879.71, 2,592.07 and 1,133.52 is: 1,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.71 : 2,592.07 = 1,133.52 : x
  2. Step 2: Convert to fraction form
    1,879.71/2,592.07 = 1,133.52/x
  3. Step 3: Cross multiply
    1,879.71x = 2,592.07 × 1,133.52
  4. Step 4: Simplify right side
    1,879.71x = 2,938,163.19
  5. Step 5: Solve for x
    x = 2,938,163.19/1,879.71
  6. Step 6: Final answer
    x = 1,563.09

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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.