Home / 5,665.91-7,816.77-4,177.36

Finding the Fourth Proportional to 5,665.91, 7,816.77 and 4,177.36

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Solution

The fourth proportional to 5,665.91, 7,816.77 and 4,177.36 is: 5,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.91 : 7,816.77 = 4,177.36 : x
  2. Step 2: Convert to fraction form
    5,665.91/7,816.77 = 4,177.36/x
  3. Step 3: Cross multiply
    5,665.91x = 7,816.77 × 4,177.36
  4. Step 4: Simplify right side
    5,665.91x = 32,653,441.44
  5. Step 5: Solve for x
    x = 32,653,441.44/5,665.91
  6. Step 6: Final answer
    x = 5,763.15

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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.