Home / 6,721.66-9,273.75-4,068.22

Finding the Fourth Proportional to 6,721.66, 9,273.75 and 4,068.22

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Solution

The fourth proportional to 6,721.66, 9,273.75 and 4,068.22 is: 5,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.66 : 9,273.75 = 4,068.22 : x
  2. Step 2: Convert to fraction form
    6,721.66/9,273.75 = 4,068.22/x
  3. Step 3: Cross multiply
    6,721.66x = 9,273.75 × 4,068.22
  4. Step 4: Simplify right side
    6,721.66x = 37,727,655.23
  5. Step 5: Solve for x
    x = 37,727,655.23/6,721.66
  6. Step 6: Final answer
    x = 5,612.85

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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.