Home / 5,683.35-8,520.20-2,720.10

Finding the Fourth Proportional to 5,683.35, 8,520.20 and 2,720.10

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Solution

The fourth proportional to 5,683.35, 8,520.20 and 2,720.10 is: 4,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.35 : 8,520.20 = 2,720.10 : x
  2. Step 2: Convert to fraction form
    5,683.35/8,520.20 = 2,720.10/x
  3. Step 3: Cross multiply
    5,683.35x = 8,520.20 × 2,720.10
  4. Step 4: Simplify right side
    5,683.35x = 23,175,796.02
  5. Step 5: Solve for x
    x = 23,175,796.02/5,683.35
  6. Step 6: Final answer
    x = 4,077.84

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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.