Home / 2,784.48-4,179.57-2,174.94

Finding the Fourth Proportional to 2,784.48, 4,179.57 and 2,174.94

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Solution

The fourth proportional to 2,784.48, 4,179.57 and 2,174.94 is: 3,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.48 : 4,179.57 = 2,174.94 : x
  2. Step 2: Convert to fraction form
    2,784.48/4,179.57 = 2,174.94/x
  3. Step 3: Cross multiply
    2,784.48x = 4,179.57 × 2,174.94
  4. Step 4: Simplify right side
    2,784.48x = 9,090,313.98
  5. Step 5: Solve for x
    x = 9,090,313.98/2,784.48
  6. Step 6: Final answer
    x = 3,264.64

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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.