Home / 3,069.48-4,235.91-1,672.26

Finding the Fourth Proportional to 3,069.48, 4,235.91 and 1,672.26

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Solution

The fourth proportional to 3,069.48, 4,235.91 and 1,672.26 is: 2,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.48 : 4,235.91 = 1,672.26 : x
  2. Step 2: Convert to fraction form
    3,069.48/4,235.91 = 1,672.26/x
  3. Step 3: Cross multiply
    3,069.48x = 4,235.91 × 1,672.26
  4. Step 4: Simplify right side
    3,069.48x = 7,083,542.86
  5. Step 5: Solve for x
    x = 7,083,542.86/3,069.48
  6. Step 6: Final answer
    x = 2,307.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.