Home / 4,158.72-6,242.31-2,080.23

Finding the Fourth Proportional to 4,158.72, 6,242.31 and 2,080.23

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Solution

The fourth proportional to 4,158.72, 6,242.31 and 2,080.23 is: 3,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.72 : 6,242.31 = 2,080.23 : x
  2. Step 2: Convert to fraction form
    4,158.72/6,242.31 = 2,080.23/x
  3. Step 3: Cross multiply
    4,158.72x = 6,242.31 × 2,080.23
  4. Step 4: Simplify right side
    4,158.72x = 12,985,440.53
  5. Step 5: Solve for x
    x = 12,985,440.53/4,158.72
  6. Step 6: Final answer
    x = 3,122.46

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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.