Home / 5,613.55-8,420.62-2,492.82

Finding the Fourth Proportional to 5,613.55, 8,420.62 and 2,492.82

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Solution

The fourth proportional to 5,613.55, 8,420.62 and 2,492.82 is: 3,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.55 : 8,420.62 = 2,492.82 : x
  2. Step 2: Convert to fraction form
    5,613.55/8,420.62 = 2,492.82/x
  3. Step 3: Cross multiply
    5,613.55x = 8,420.62 × 2,492.82
  4. Step 4: Simplify right side
    5,613.55x = 20,991,089.95
  5. Step 5: Solve for x
    x = 20,991,089.95/5,613.55
  6. Step 6: Final answer
    x = 3,739.36

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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.