Home / 7,724.89-11,583.15-2,724.76

Finding the Fourth Proportional to 7,724.89, 11,583.15 and 2,724.76

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Solution

The fourth proportional to 7,724.89, 11,583.15 and 2,724.76 is: 4,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.89 : 11,583.15 = 2,724.76 : x
  2. Step 2: Convert to fraction form
    7,724.89/11,583.15 = 2,724.76/x
  3. Step 3: Cross multiply
    7,724.89x = 11,583.15 × 2,724.76
  4. Step 4: Simplify right side
    7,724.89x = 31,561,303.79
  5. Step 5: Solve for x
    x = 31,561,303.79/7,724.89
  6. Step 6: Final answer
    x = 4,085.66

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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.