Home / 7,570.23-11,358.42-3,412.20

Finding the Fourth Proportional to 7,570.23, 11,358.42 and 3,412.20

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Solution

The fourth proportional to 7,570.23, 11,358.42 and 3,412.20 is: 5,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.23 : 11,358.42 = 3,412.20 : x
  2. Step 2: Convert to fraction form
    7,570.23/11,358.42 = 3,412.20/x
  3. Step 3: Cross multiply
    7,570.23x = 11,358.42 × 3,412.20
  4. Step 4: Simplify right side
    7,570.23x = 38,757,200.72
  5. Step 5: Solve for x
    x = 38,757,200.72/7,570.23
  6. Step 6: Final answer
    x = 5,119.69

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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.