Home / 3,148.13-4,722.98-1,567.61

Finding the Fourth Proportional to 3,148.13, 4,722.98 and 1,567.61

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Solution

The fourth proportional to 3,148.13, 4,722.98 and 1,567.61 is: 2,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.13 : 4,722.98 = 1,567.61 : x
  2. Step 2: Convert to fraction form
    3,148.13/4,722.98 = 1,567.61/x
  3. Step 3: Cross multiply
    3,148.13x = 4,722.98 × 1,567.61
  4. Step 4: Simplify right side
    3,148.13x = 7,403,759.22
  5. Step 5: Solve for x
    x = 7,403,759.22/3,148.13
  6. Step 6: Final answer
    x = 2,351.79

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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.