Home / 5,322.98-7,342.11-4,131.05

Finding the Fourth Proportional to 5,322.98, 7,342.11 and 4,131.05

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Solution

The fourth proportional to 5,322.98, 7,342.11 and 4,131.05 is: 5,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.98 : 7,342.11 = 4,131.05 : x
  2. Step 2: Convert to fraction form
    5,322.98/7,342.11 = 4,131.05/x
  3. Step 3: Cross multiply
    5,322.98x = 7,342.11 × 4,131.05
  4. Step 4: Simplify right side
    5,322.98x = 30,330,623.52
  5. Step 5: Solve for x
    x = 30,330,623.52/5,322.98
  6. Step 6: Final answer
    x = 5,698.05

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Double scale
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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.