Home / 7,331.96-10,116.96-4,145.42

Finding the Fourth Proportional to 7,331.96, 10,116.96 and 4,145.42

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Solution

The fourth proportional to 7,331.96, 10,116.96 and 4,145.42 is: 5,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.96 : 10,116.96 = 4,145.42 : x
  2. Step 2: Convert to fraction form
    7,331.96/10,116.96 = 4,145.42/x
  3. Step 3: Cross multiply
    7,331.96x = 10,116.96 × 4,145.42
  4. Step 4: Simplify right side
    7,331.96x = 41,939,048.32
  5. Step 5: Solve for x
    x = 41,939,048.32/7,331.96
  6. Step 6: Final answer
    x = 5,720.03

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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.