Home / 2,192.85-3,273.28-1,916.06

Finding the Fourth Proportional to 2,192.85, 3,273.28 and 1,916.06

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Solution

The fourth proportional to 2,192.85, 3,273.28 and 1,916.06 is: 2,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.85 : 3,273.28 = 1,916.06 : x
  2. Step 2: Convert to fraction form
    2,192.85/3,273.28 = 1,916.06/x
  3. Step 3: Cross multiply
    2,192.85x = 3,273.28 × 1,916.06
  4. Step 4: Simplify right side
    2,192.85x = 6,271,800.88
  5. Step 5: Solve for x
    x = 6,271,800.88/2,192.85
  6. Step 6: Final answer
    x = 2,860.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.