Home / 2,299.86-3,451.38-913.26

Finding the Fourth Proportional to 2,299.86, 3,451.38 and 913.26

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Solution

The fourth proportional to 2,299.86, 3,451.38 and 913.26 is: 1,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.86 : 3,451.38 = 913.26 : x
  2. Step 2: Convert to fraction form
    2,299.86/3,451.38 = 913.26/x
  3. Step 3: Cross multiply
    2,299.86x = 3,451.38 × 913.26
  4. Step 4: Simplify right side
    2,299.86x = 3,152,007.30
  5. Step 5: Solve for x
    x = 3,152,007.30/2,299.86
  6. Step 6: Final answer
    x = 1,370.52

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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.