Home / 5,787.48-7,983.18-3,427.32

Finding the Fourth Proportional to 5,787.48, 7,983.18 and 3,427.32

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Solution

The fourth proportional to 5,787.48, 7,983.18 and 3,427.32 is: 4,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.48 : 7,983.18 = 3,427.32 : x
  2. Step 2: Convert to fraction form
    5,787.48/7,983.18 = 3,427.32/x
  3. Step 3: Cross multiply
    5,787.48x = 7,983.18 × 3,427.32
  4. Step 4: Simplify right side
    5,787.48x = 27,360,912.48
  5. Step 5: Solve for x
    x = 27,360,912.48/5,787.48
  6. Step 6: Final answer
    x = 4,727.60

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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.