Home / 6,784.79-10,177.53-2,107.99

Finding the Fourth Proportional to 6,784.79, 10,177.53 and 2,107.99

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Solution

The fourth proportional to 6,784.79, 10,177.53 and 2,107.99 is: 3,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.79 : 10,177.53 = 2,107.99 : x
  2. Step 2: Convert to fraction form
    6,784.79/10,177.53 = 2,107.99/x
  3. Step 3: Cross multiply
    6,784.79x = 10,177.53 × 2,107.99
  4. Step 4: Simplify right side
    6,784.79x = 21,454,123.13
  5. Step 5: Solve for x
    x = 21,454,123.13/6,784.79
  6. Step 6: Final answer
    x = 3,162.09

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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.