Home / 5,400.24-8,100.70-1,702.60

Finding the Fourth Proportional to 5,400.24, 8,100.70 and 1,702.60

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Solution

The fourth proportional to 5,400.24, 8,100.70 and 1,702.60 is: 2,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.24 : 8,100.70 = 1,702.60 : x
  2. Step 2: Convert to fraction form
    5,400.24/8,100.70 = 1,702.60/x
  3. Step 3: Cross multiply
    5,400.24x = 8,100.70 × 1,702.60
  4. Step 4: Simplify right side
    5,400.24x = 13,792,251.82
  5. Step 5: Solve for x
    x = 13,792,251.82/5,400.24
  6. Step 6: Final answer
    x = 2,554.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.