Home / 5,458.74-8,187.82-1,760.90

Finding the Fourth Proportional to 5,458.74, 8,187.82 and 1,760.90

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Solution

The fourth proportional to 5,458.74, 8,187.82 and 1,760.90 is: 2,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.74 : 8,187.82 = 1,760.90 : x
  2. Step 2: Convert to fraction form
    5,458.74/8,187.82 = 1,760.90/x
  3. Step 3: Cross multiply
    5,458.74x = 8,187.82 × 1,760.90
  4. Step 4: Simplify right side
    5,458.74x = 14,417,932.24
  5. Step 5: Solve for x
    x = 14,417,932.24/5,458.74
  6. Step 6: Final answer
    x = 2,641.26

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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.