Home / 5,319.96-7,273.20-5,115.84

Finding the Fourth Proportional to 5,319.96, 7,273.20 and 5,115.84

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Solution

The fourth proportional to 5,319.96, 7,273.20 and 5,115.84 is: 6,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.96 : 7,273.20 = 5,115.84 : x
  2. Step 2: Convert to fraction form
    5,319.96/7,273.20 = 5,115.84/x
  3. Step 3: Cross multiply
    5,319.96x = 7,273.20 × 5,115.84
  4. Step 4: Simplify right side
    5,319.96x = 37,208,527.49
  5. Step 5: Solve for x
    x = 37,208,527.49/5,319.96
  6. Step 6: Final answer
    x = 6,994.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.