Home / 6,657.38-9,178.66-5,458.02

Finding the Fourth Proportional to 6,657.38, 9,178.66 and 5,458.02

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Solution

The fourth proportional to 6,657.38, 9,178.66 and 5,458.02 is: 7,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.38 : 9,178.66 = 5,458.02 : x
  2. Step 2: Convert to fraction form
    6,657.38/9,178.66 = 5,458.02/x
  3. Step 3: Cross multiply
    6,657.38x = 9,178.66 × 5,458.02
  4. Step 4: Simplify right side
    6,657.38x = 50,097,282.56
  5. Step 5: Solve for x
    x = 50,097,282.56/6,657.38
  6. Step 6: Final answer
    x = 7,525.07

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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.