Home / 5,278.23-7,273.63-4,768.53

Finding the Fourth Proportional to 5,278.23, 7,273.63 and 4,768.53

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Solution

The fourth proportional to 5,278.23, 7,273.63 and 4,768.53 is: 6,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.23 : 7,273.63 = 4,768.53 : x
  2. Step 2: Convert to fraction form
    5,278.23/7,273.63 = 4,768.53/x
  3. Step 3: Cross multiply
    5,278.23x = 7,273.63 × 4,768.53
  4. Step 4: Simplify right side
    5,278.23x = 34,684,522.86
  5. Step 5: Solve for x
    x = 34,684,522.86/5,278.23
  6. Step 6: Final answer
    x = 6,571.24

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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.