Home / 2,579.04-3,860.94-1,923.79

Finding the Fourth Proportional to 2,579.04, 3,860.94 and 1,923.79

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Solution

The fourth proportional to 2,579.04, 3,860.94 and 1,923.79 is: 2,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.04 : 3,860.94 = 1,923.79 : x
  2. Step 2: Convert to fraction form
    2,579.04/3,860.94 = 1,923.79/x
  3. Step 3: Cross multiply
    2,579.04x = 3,860.94 × 1,923.79
  4. Step 4: Simplify right side
    2,579.04x = 7,427,631.72
  5. Step 5: Solve for x
    x = 7,427,631.72/2,579.04
  6. Step 6: Final answer
    x = 2,880.00

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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.