Home / 4,240.10-6,360.42-1,775.21

Finding the Fourth Proportional to 4,240.10, 6,360.42 and 1,775.21

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Solution

The fourth proportional to 4,240.10, 6,360.42 and 1,775.21 is: 2,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.10 : 6,360.42 = 1,775.21 : x
  2. Step 2: Convert to fraction form
    4,240.10/6,360.42 = 1,775.21/x
  3. Step 3: Cross multiply
    4,240.10x = 6,360.42 × 1,775.21
  4. Step 4: Simplify right side
    4,240.10x = 11,291,049.39
  5. Step 5: Solve for x
    x = 11,291,049.39/4,240.10
  6. Step 6: Final answer
    x = 2,662.92

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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.