Home / 3,325.08-4,987.60-1,375.12

Finding the Fourth Proportional to 3,325.08, 4,987.60 and 1,375.12

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Solution

The fourth proportional to 3,325.08, 4,987.60 and 1,375.12 is: 2,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.08 : 4,987.60 = 1,375.12 : x
  2. Step 2: Convert to fraction form
    3,325.08/4,987.60 = 1,375.12/x
  3. Step 3: Cross multiply
    3,325.08x = 4,987.60 × 1,375.12
  4. Step 4: Simplify right side
    3,325.08x = 6,858,548.51
  5. Step 5: Solve for x
    x = 6,858,548.51/3,325.08
  6. Step 6: Final answer
    x = 2,062.67

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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.