Home / 5,025.12-6,934.96-2,787.28

Finding the Fourth Proportional to 5,025.12, 6,934.96 and 2,787.28

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Solution

The fourth proportional to 5,025.12, 6,934.96 and 2,787.28 is: 3,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.12 : 6,934.96 = 2,787.28 : x
  2. Step 2: Convert to fraction form
    5,025.12/6,934.96 = 2,787.28/x
  3. Step 3: Cross multiply
    5,025.12x = 6,934.96 × 2,787.28
  4. Step 4: Simplify right side
    5,025.12x = 19,329,675.31
  5. Step 5: Solve for x
    x = 19,329,675.31/5,025.12
  6. Step 6: Final answer
    x = 3,846.61

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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.