Home / 4,167.20-6,251.68-1,570.16

Finding the Fourth Proportional to 4,167.20, 6,251.68 and 1,570.16

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Solution

The fourth proportional to 4,167.20, 6,251.68 and 1,570.16 is: 2,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.20 : 6,251.68 = 1,570.16 : x
  2. Step 2: Convert to fraction form
    4,167.20/6,251.68 = 1,570.16/x
  3. Step 3: Cross multiply
    4,167.20x = 6,251.68 × 1,570.16
  4. Step 4: Simplify right side
    4,167.20x = 9,816,137.87
  5. Step 5: Solve for x
    x = 9,816,137.87/4,167.20
  6. Step 6: Final answer
    x = 2,355.57

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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.