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Finding the Fourth Proportional to 2,393.86, 3,590.78 and 750.26

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Solution

The fourth proportional to 2,393.86, 3,590.78 and 750.26 is: 1,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.86 : 3,590.78 = 750.26 : x
  2. Step 2: Convert to fraction form
    2,393.86/3,590.78 = 750.26/x
  3. Step 3: Cross multiply
    2,393.86x = 3,590.78 × 750.26
  4. Step 4: Simplify right side
    2,393.86x = 2,694,018.60
  5. Step 5: Solve for x
    x = 2,694,018.60/2,393.86
  6. Step 6: Final answer
    x = 1,125.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.