Home / 7,723.02-11,585.20-2,176.40

Finding the Fourth Proportional to 7,723.02, 11,585.20 and 2,176.40

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Solution

The fourth proportional to 7,723.02, 11,585.20 and 2,176.40 is: 3,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.02 : 11,585.20 = 2,176.40 : x
  2. Step 2: Convert to fraction form
    7,723.02/11,585.20 = 2,176.40/x
  3. Step 3: Cross multiply
    7,723.02x = 11,585.20 × 2,176.40
  4. Step 4: Simplify right side
    7,723.02x = 25,214,029.28
  5. Step 5: Solve for x
    x = 25,214,029.28/7,723.02
  6. Step 6: Final answer
    x = 3,264.79

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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.