Home / 2,455.86-3,389.18-1,336.86

Finding the Fourth Proportional to 2,455.86, 3,389.18 and 1,336.86

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Solution

The fourth proportional to 2,455.86, 3,389.18 and 1,336.86 is: 1,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.86 : 3,389.18 = 1,336.86 : x
  2. Step 2: Convert to fraction form
    2,455.86/3,389.18 = 1,336.86/x
  3. Step 3: Cross multiply
    2,455.86x = 3,389.18 × 1,336.86
  4. Step 4: Simplify right side
    2,455.86x = 4,530,859.17
  5. Step 5: Solve for x
    x = 4,530,859.17/2,455.86
  6. Step 6: Final answer
    x = 1,844.92

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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.