Home / 7,331.72-10,117.52-4,345.78

Finding the Fourth Proportional to 7,331.72, 10,117.52 and 4,345.78

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Solution

The fourth proportional to 7,331.72, 10,117.52 and 4,345.78 is: 5,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.72 : 10,117.52 = 4,345.78 : x
  2. Step 2: Convert to fraction form
    7,331.72/10,117.52 = 4,345.78/x
  3. Step 3: Cross multiply
    7,331.72x = 10,117.52 × 4,345.78
  4. Step 4: Simplify right side
    7,331.72x = 43,968,516.07
  5. Step 5: Solve for x
    x = 43,968,516.07/7,331.72
  6. Step 6: Final answer
    x = 5,997.03

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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.