Home / 4,147.48-6,222.93-1,681.68

Finding the Fourth Proportional to 4,147.48, 6,222.93 and 1,681.68

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Solution

The fourth proportional to 4,147.48, 6,222.93 and 1,681.68 is: 2,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.48 : 6,222.93 = 1,681.68 : x
  2. Step 2: Convert to fraction form
    4,147.48/6,222.93 = 1,681.68/x
  3. Step 3: Cross multiply
    4,147.48x = 6,222.93 × 1,681.68
  4. Step 4: Simplify right side
    4,147.48x = 10,464,976.92
  5. Step 5: Solve for x
    x = 10,464,976.92/4,147.48
  6. Step 6: Final answer
    x = 2,523.21

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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.