Home / 5,402.74-7,455.36-3,164.32

Finding the Fourth Proportional to 5,402.74, 7,455.36 and 3,164.32

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Solution

The fourth proportional to 5,402.74, 7,455.36 and 3,164.32 is: 4,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.74 : 7,455.36 = 3,164.32 : x
  2. Step 2: Convert to fraction form
    5,402.74/7,455.36 = 3,164.32/x
  3. Step 3: Cross multiply
    5,402.74x = 7,455.36 × 3,164.32
  4. Step 4: Simplify right side
    5,402.74x = 23,591,144.76
  5. Step 5: Solve for x
    x = 23,591,144.76/5,402.74
  6. Step 6: Final answer
    x = 4,366.51

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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.