Home / 4,952.68-7,428.11-1,665.70

Finding the Fourth Proportional to 4,952.68, 7,428.11 and 1,665.70

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Solution

The fourth proportional to 4,952.68, 7,428.11 and 1,665.70 is: 2,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.68 : 7,428.11 = 1,665.70 : x
  2. Step 2: Convert to fraction form
    4,952.68/7,428.11 = 1,665.70/x
  3. Step 3: Cross multiply
    4,952.68x = 7,428.11 × 1,665.70
  4. Step 4: Simplify right side
    4,952.68x = 12,372,975.93
  5. Step 5: Solve for x
    x = 12,372,975.93/4,952.68
  6. Step 6: Final answer
    x = 2,498.24

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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.