Home / 7,582.47-11,378.91-2,652.12

Finding the Fourth Proportional to 7,582.47, 11,378.91 and 2,652.12

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Solution

The fourth proportional to 7,582.47, 11,378.91 and 2,652.12 is: 3,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.47 : 11,378.91 = 2,652.12 : x
  2. Step 2: Convert to fraction form
    7,582.47/11,378.91 = 2,652.12/x
  3. Step 3: Cross multiply
    7,582.47x = 11,378.91 × 2,652.12
  4. Step 4: Simplify right side
    7,582.47x = 30,178,234.79
  5. Step 5: Solve for x
    x = 30,178,234.79/7,582.47
  6. Step 6: Final answer
    x = 3,980.00

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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.