Home / 7,088.82-10,628.40-3,970.96

Finding the Fourth Proportional to 7,088.82, 10,628.40 and 3,970.96

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Solution

The fourth proportional to 7,088.82, 10,628.40 and 3,970.96 is: 5,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.82 : 10,628.40 = 3,970.96 : x
  2. Step 2: Convert to fraction form
    7,088.82/10,628.40 = 3,970.96/x
  3. Step 3: Cross multiply
    7,088.82x = 10,628.40 × 3,970.96
  4. Step 4: Simplify right side
    7,088.82x = 42,204,951.26
  5. Step 5: Solve for x
    x = 42,204,951.26/7,088.82
  6. Step 6: Final answer
    x = 5,953.73

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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.