Home / 5,416.76-8,121.64-3,562.26

Finding the Fourth Proportional to 5,416.76, 8,121.64 and 3,562.26

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Solution

The fourth proportional to 5,416.76, 8,121.64 and 3,562.26 is: 5,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.76 : 8,121.64 = 3,562.26 : x
  2. Step 2: Convert to fraction form
    5,416.76/8,121.64 = 3,562.26/x
  3. Step 3: Cross multiply
    5,416.76x = 8,121.64 × 3,562.26
  4. Step 4: Simplify right side
    5,416.76x = 28,931,375.50
  5. Step 5: Solve for x
    x = 28,931,375.50/5,416.76
  6. Step 6: Final answer
    x = 5,341.08

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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.