Home / 7,331.58-10,990.06-4,207.82

Finding the Fourth Proportional to 7,331.58, 10,990.06 and 4,207.82

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Solution

The fourth proportional to 7,331.58, 10,990.06 and 4,207.82 is: 6,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.58 : 10,990.06 = 4,207.82 : x
  2. Step 2: Convert to fraction form
    7,331.58/10,990.06 = 4,207.82/x
  3. Step 3: Cross multiply
    7,331.58x = 10,990.06 × 4,207.82
  4. Step 4: Simplify right side
    7,331.58x = 46,244,128.80
  5. Step 5: Solve for x
    x = 46,244,128.80/7,331.58
  6. Step 6: Final answer
    x = 6,307.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.