Home / 7,570.68-11,358.18-3,185.88

Finding the Fourth Proportional to 7,570.68, 11,358.18 and 3,185.88

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Solution

The fourth proportional to 7,570.68, 11,358.18 and 3,185.88 is: 4,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.68 : 11,358.18 = 3,185.88 : x
  2. Step 2: Convert to fraction form
    7,570.68/11,358.18 = 3,185.88/x
  3. Step 3: Cross multiply
    7,570.68x = 11,358.18 × 3,185.88
  4. Step 4: Simplify right side
    7,570.68x = 36,185,798.50
  5. Step 5: Solve for x
    x = 36,185,798.50/7,570.68
  6. Step 6: Final answer
    x = 4,779.73

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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.