Home / 2,876.24-3,968.52-1,827.92

Finding the Fourth Proportional to 2,876.24, 3,968.52 and 1,827.92

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Solution

The fourth proportional to 2,876.24, 3,968.52 and 1,827.92 is: 2,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.24 : 3,968.52 = 1,827.92 : x
  2. Step 2: Convert to fraction form
    2,876.24/3,968.52 = 1,827.92/x
  3. Step 3: Cross multiply
    2,876.24x = 3,968.52 × 1,827.92
  4. Step 4: Simplify right side
    2,876.24x = 7,254,137.08
  5. Step 5: Solve for x
    x = 7,254,137.08/2,876.24
  6. Step 6: Final answer
    x = 2,522.09

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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.