Home / 5,322.12-7,975.86-2,719.62

Finding the Fourth Proportional to 5,322.12, 7,975.86 and 2,719.62

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Solution

The fourth proportional to 5,322.12, 7,975.86 and 2,719.62 is: 4,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.12 : 7,975.86 = 2,719.62 : x
  2. Step 2: Convert to fraction form
    5,322.12/7,975.86 = 2,719.62/x
  3. Step 3: Cross multiply
    5,322.12x = 7,975.86 × 2,719.62
  4. Step 4: Simplify right side
    5,322.12x = 21,691,308.37
  5. Step 5: Solve for x
    x = 21,691,308.37/5,322.12
  6. Step 6: Final answer
    x = 4,075.69

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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.