Home / 5,702.54-7,871.73-3,464.78

Finding the Fourth Proportional to 5,702.54, 7,871.73 and 3,464.78

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Solution

The fourth proportional to 5,702.54, 7,871.73 and 3,464.78 is: 4,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.54 : 7,871.73 = 3,464.78 : x
  2. Step 2: Convert to fraction form
    5,702.54/7,871.73 = 3,464.78/x
  3. Step 3: Cross multiply
    5,702.54x = 7,871.73 × 3,464.78
  4. Step 4: Simplify right side
    5,702.54x = 27,273,812.67
  5. Step 5: Solve for x
    x = 27,273,812.67/5,702.54
  6. Step 6: Final answer
    x = 4,782.75

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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.