Home / 5,812.20-8,002.26-4,926.60

Finding the Fourth Proportional to 5,812.20, 8,002.26 and 4,926.60

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Solution

The fourth proportional to 5,812.20, 8,002.26 and 4,926.60 is: 6,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.20 : 8,002.26 = 4,926.60 : x
  2. Step 2: Convert to fraction form
    5,812.20/8,002.26 = 4,926.60/x
  3. Step 3: Cross multiply
    5,812.20x = 8,002.26 × 4,926.60
  4. Step 4: Simplify right side
    5,812.20x = 39,423,934.12
  5. Step 5: Solve for x
    x = 39,423,934.12/5,812.20
  6. Step 6: Final answer
    x = 6,782.96

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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.