Home / 7,310.25-10,088.75-4,167.05

Finding the Fourth Proportional to 7,310.25, 10,088.75 and 4,167.05

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Solution

The fourth proportional to 7,310.25, 10,088.75 and 4,167.05 is: 5,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.25 : 10,088.75 = 4,167.05 : x
  2. Step 2: Convert to fraction form
    7,310.25/10,088.75 = 4,167.05/x
  3. Step 3: Cross multiply
    7,310.25x = 10,088.75 × 4,167.05
  4. Step 4: Simplify right side
    7,310.25x = 42,040,285.66
  5. Step 5: Solve for x
    x = 42,040,285.66/7,310.25
  6. Step 6: Final answer
    x = 5,750.87

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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.