Home / 5,542.81-8,311.77-2,077.63

Finding the Fourth Proportional to 5,542.81, 8,311.77 and 2,077.63

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Solution

The fourth proportional to 5,542.81, 8,311.77 and 2,077.63 is: 3,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.81 : 8,311.77 = 2,077.63 : x
  2. Step 2: Convert to fraction form
    5,542.81/8,311.77 = 2,077.63/x
  3. Step 3: Cross multiply
    5,542.81x = 8,311.77 × 2,077.63
  4. Step 4: Simplify right side
    5,542.81x = 17,268,782.71
  5. Step 5: Solve for x
    x = 17,268,782.71/5,542.81
  6. Step 6: Final answer
    x = 3,115.53

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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.