Home / 7,719.84-10,653.38-4,183.06

Finding the Fourth Proportional to 7,719.84, 10,653.38 and 4,183.06

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Solution

The fourth proportional to 7,719.84, 10,653.38 and 4,183.06 is: 5,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.84 : 10,653.38 = 4,183.06 : x
  2. Step 2: Convert to fraction form
    7,719.84/10,653.38 = 4,183.06/x
  3. Step 3: Cross multiply
    7,719.84x = 10,653.38 × 4,183.06
  4. Step 4: Simplify right side
    7,719.84x = 44,563,719.41
  5. Step 5: Solve for x
    x = 44,563,719.41/7,719.84
  6. Step 6: Final answer
    x = 5,772.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.