Home / 5,025.20-6,934.88-2,787.00

Finding the Fourth Proportional to 5,025.20, 6,934.88 and 2,787.00

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Solution

The fourth proportional to 5,025.20, 6,934.88 and 2,787.00 is: 3,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.20 : 6,934.88 = 2,787.00 : x
  2. Step 2: Convert to fraction form
    5,025.20/6,934.88 = 2,787.00/x
  3. Step 3: Cross multiply
    5,025.20x = 6,934.88 × 2,787.00
  4. Step 4: Simplify right side
    5,025.20x = 19,327,475.84
  5. Step 5: Solve for x
    x = 19,327,475.84/5,025.20
  6. Step 6: Final answer
    x = 3,846.11

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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.