Home / 4,156.90-6,235.27-1,967.20

Finding the Fourth Proportional to 4,156.90, 6,235.27 and 1,967.20

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Solution

The fourth proportional to 4,156.90, 6,235.27 and 1,967.20 is: 2,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.90 : 6,235.27 = 1,967.20 : x
  2. Step 2: Convert to fraction form
    4,156.90/6,235.27 = 1,967.20/x
  3. Step 3: Cross multiply
    4,156.90x = 6,235.27 × 1,967.20
  4. Step 4: Simplify right side
    4,156.90x = 12,266,023.14
  5. Step 5: Solve for x
    x = 12,266,023.14/4,156.90
  6. Step 6: Final answer
    x = 2,950.76

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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.