Home / 6,680.48-9,220.92-3,886.52

Finding the Fourth Proportional to 6,680.48, 9,220.92 and 3,886.52

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Solution

The fourth proportional to 6,680.48, 9,220.92 and 3,886.52 is: 5,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.48 : 9,220.92 = 3,886.52 : x
  2. Step 2: Convert to fraction form
    6,680.48/9,220.92 = 3,886.52/x
  3. Step 3: Cross multiply
    6,680.48x = 9,220.92 × 3,886.52
  4. Step 4: Simplify right side
    6,680.48x = 35,837,290.00
  5. Step 5: Solve for x
    x = 35,837,290.00/6,680.48
  6. Step 6: Final answer
    x = 5,364.48

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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.