Home / 5,589.20-8,379.47-2,303.12

Finding the Fourth Proportional to 5,589.20, 8,379.47 and 2,303.12

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Solution

The fourth proportional to 5,589.20, 8,379.47 and 2,303.12 is: 3,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.20 : 8,379.47 = 2,303.12 : x
  2. Step 2: Convert to fraction form
    5,589.20/8,379.47 = 2,303.12/x
  3. Step 3: Cross multiply
    5,589.20x = 8,379.47 × 2,303.12
  4. Step 4: Simplify right side
    5,589.20x = 19,298,888.81
  5. Step 5: Solve for x
    x = 19,298,888.81/5,589.20
  6. Step 6: Final answer
    x = 3,452.89

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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.