Home / 4,728.33-7,092.45-1,954.20

Finding the Fourth Proportional to 4,728.33, 7,092.45 and 1,954.20

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Solution

The fourth proportional to 4,728.33, 7,092.45 and 1,954.20 is: 2,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.33 : 7,092.45 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    4,728.33/7,092.45 = 1,954.20/x
  3. Step 3: Cross multiply
    4,728.33x = 7,092.45 × 1,954.20
  4. Step 4: Simplify right side
    4,728.33x = 13,860,065.79
  5. Step 5: Solve for x
    x = 13,860,065.79/4,728.33
  6. Step 6: Final answer
    x = 2,931.28

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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.