Home / 7,088.75-9,782.39-3,901.97

Finding the Fourth Proportional to 7,088.75, 9,782.39 and 3,901.97

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Solution

The fourth proportional to 7,088.75, 9,782.39 and 3,901.97 is: 5,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.75 : 9,782.39 = 3,901.97 : x
  2. Step 2: Convert to fraction form
    7,088.75/9,782.39 = 3,901.97/x
  3. Step 3: Cross multiply
    7,088.75x = 9,782.39 × 3,901.97
  4. Step 4: Simplify right side
    7,088.75x = 38,170,592.31
  5. Step 5: Solve for x
    x = 38,170,592.31/7,088.75
  6. Step 6: Final answer
    x = 5,384.68

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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.