Home / 6,655.06-9,180.54-5,397.54

Finding the Fourth Proportional to 6,655.06, 9,180.54 and 5,397.54

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Solution

The fourth proportional to 6,655.06, 9,180.54 and 5,397.54 is: 7,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.06 : 9,180.54 = 5,397.54 : x
  2. Step 2: Convert to fraction form
    6,655.06/9,180.54 = 5,397.54/x
  3. Step 3: Cross multiply
    6,655.06x = 9,180.54 × 5,397.54
  4. Step 4: Simplify right side
    6,655.06x = 49,552,297.44
  5. Step 5: Solve for x
    x = 49,552,297.44/6,655.06
  6. Step 6: Final answer
    x = 7,445.81

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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.