Home / 5,711.22-8,518.83-5,186.26

Finding the Fourth Proportional to 5,711.22, 8,518.83 and 5,186.26

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Solution

The fourth proportional to 5,711.22, 8,518.83 and 5,186.26 is: 7,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.22 : 8,518.83 = 5,186.26 : x
  2. Step 2: Convert to fraction form
    5,711.22/8,518.83 = 5,186.26/x
  3. Step 3: Cross multiply
    5,711.22x = 8,518.83 × 5,186.26
  4. Step 4: Simplify right side
    5,711.22x = 44,180,841.34
  5. Step 5: Solve for x
    x = 44,180,841.34/5,711.22
  6. Step 6: Final answer
    x = 7,735.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.