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Finding the Fourth Proportional to 1,879.58, 2,593.44 and 1,133.58

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Solution

The fourth proportional to 1,879.58, 2,593.44 and 1,133.58 is: 1,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.58 : 2,593.44 = 1,133.58 : x
  2. Step 2: Convert to fraction form
    1,879.58/2,593.44 = 1,133.58/x
  3. Step 3: Cross multiply
    1,879.58x = 2,593.44 × 1,133.58
  4. Step 4: Simplify right side
    1,879.58x = 2,939,881.44
  5. Step 5: Solve for x
    x = 2,939,881.44/1,879.58
  6. Step 6: Final answer
    x = 1,564.11

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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.