Home / 6,223.09-8,587.97-3,428.59

Finding the Fourth Proportional to 6,223.09, 8,587.97 and 3,428.59

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Solution

The fourth proportional to 6,223.09, 8,587.97 and 3,428.59 is: 4,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.09 : 8,587.97 = 3,428.59 : x
  2. Step 2: Convert to fraction form
    6,223.09/8,587.97 = 3,428.59/x
  3. Step 3: Cross multiply
    6,223.09x = 8,587.97 × 3,428.59
  4. Step 4: Simplify right side
    6,223.09x = 29,444,628.06
  5. Step 5: Solve for x
    x = 29,444,628.06/6,223.09
  6. Step 6: Final answer
    x = 4,731.51

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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.