Home / 4,193.75-5,787.51-2,305.40

Finding the Fourth Proportional to 4,193.75, 5,787.51 and 2,305.40

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Solution

The fourth proportional to 4,193.75, 5,787.51 and 2,305.40 is: 3,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.75 : 5,787.51 = 2,305.40 : x
  2. Step 2: Convert to fraction form
    4,193.75/5,787.51 = 2,305.40/x
  3. Step 3: Cross multiply
    4,193.75x = 5,787.51 × 2,305.40
  4. Step 4: Simplify right side
    4,193.75x = 13,342,528.60
  5. Step 5: Solve for x
    x = 13,342,528.60/4,193.75
  6. Step 6: Final answer
    x = 3,181.53

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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.