Home / 6,875.30-9,487.97-3,731.51

Finding the Fourth Proportional to 6,875.30, 9,487.97 and 3,731.51

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Solution

The fourth proportional to 6,875.30, 9,487.97 and 3,731.51 is: 5,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.30 : 9,487.97 = 3,731.51 : x
  2. Step 2: Convert to fraction form
    6,875.30/9,487.97 = 3,731.51/x
  3. Step 3: Cross multiply
    6,875.30x = 9,487.97 × 3,731.51
  4. Step 4: Simplify right side
    6,875.30x = 35,404,388.84
  5. Step 5: Solve for x
    x = 35,404,388.84/6,875.30
  6. Step 6: Final answer
    x = 5,149.51

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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.