Home / 5,097.12-7,033.60-2,858.68

Finding the Fourth Proportional to 5,097.12, 7,033.60 and 2,858.68

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Solution

The fourth proportional to 5,097.12, 7,033.60 and 2,858.68 is: 3,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.12 : 7,033.60 = 2,858.68 : x
  2. Step 2: Convert to fraction form
    5,097.12/7,033.60 = 2,858.68/x
  3. Step 3: Cross multiply
    5,097.12x = 7,033.60 × 2,858.68
  4. Step 4: Simplify right side
    5,097.12x = 20,106,811.65
  5. Step 5: Solve for x
    x = 20,106,811.65/5,097.12
  6. Step 6: Final answer
    x = 3,944.74

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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.