Home / 2,614.77-3,610.70-1,778.58

Finding the Fourth Proportional to 2,614.77, 3,610.70 and 1,778.58

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Solution

The fourth proportional to 2,614.77, 3,610.70 and 1,778.58 is: 2,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.77 : 3,610.70 = 1,778.58 : x
  2. Step 2: Convert to fraction form
    2,614.77/3,610.70 = 1,778.58/x
  3. Step 3: Cross multiply
    2,614.77x = 3,610.70 × 1,778.58
  4. Step 4: Simplify right side
    2,614.77x = 6,421,909.91
  5. Step 5: Solve for x
    x = 6,421,909.91/2,614.77
  6. Step 6: Final answer
    x = 2,456.01

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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.