Home / 6,257.79-8,635.73-3,386.51

Finding the Fourth Proportional to 6,257.79, 8,635.73 and 3,386.51

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Solution

The fourth proportional to 6,257.79, 8,635.73 and 3,386.51 is: 4,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.79 : 8,635.73 = 3,386.51 : x
  2. Step 2: Convert to fraction form
    6,257.79/8,635.73 = 3,386.51/x
  3. Step 3: Cross multiply
    6,257.79x = 8,635.73 × 3,386.51
  4. Step 4: Simplify right side
    6,257.79x = 29,244,972.80
  5. Step 5: Solve for x
    x = 29,244,972.80/6,257.79
  6. Step 6: Final answer
    x = 4,673.37

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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.