Home / 2,911.86-4,346.64-2,695.03

Finding the Fourth Proportional to 2,911.86, 4,346.64 and 2,695.03

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Solution

The fourth proportional to 2,911.86, 4,346.64 and 2,695.03 is: 4,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.86 : 4,346.64 = 2,695.03 : x
  2. Step 2: Convert to fraction form
    2,911.86/4,346.64 = 2,695.03/x
  3. Step 3: Cross multiply
    2,911.86x = 4,346.64 × 2,695.03
  4. Step 4: Simplify right side
    2,911.86x = 11,714,324.44
  5. Step 5: Solve for x
    x = 11,714,324.44/2,911.86
  6. Step 6: Final answer
    x = 4,022.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.