Home / 5,614.48-8,421.18-3,766.60

Finding the Fourth Proportional to 5,614.48, 8,421.18 and 3,766.60

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Solution

The fourth proportional to 5,614.48, 8,421.18 and 3,766.60 is: 5,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.48 : 8,421.18 = 3,766.60 : x
  2. Step 2: Convert to fraction form
    5,614.48/8,421.18 = 3,766.60/x
  3. Step 3: Cross multiply
    5,614.48x = 8,421.18 × 3,766.60
  4. Step 4: Simplify right side
    5,614.48x = 31,719,216.59
  5. Step 5: Solve for x
    x = 31,719,216.59/5,614.48
  6. Step 6: Final answer
    x = 5,649.54

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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.