Home / 3,325.03-4,984.75-1,378.60

Finding the Fourth Proportional to 3,325.03, 4,984.75 and 1,378.60

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Solution

The fourth proportional to 3,325.03, 4,984.75 and 1,378.60 is: 2,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.03 : 4,984.75 = 1,378.60 : x
  2. Step 2: Convert to fraction form
    3,325.03/4,984.75 = 1,378.60/x
  3. Step 3: Cross multiply
    3,325.03x = 4,984.75 × 1,378.60
  4. Step 4: Simplify right side
    3,325.03x = 6,871,976.35
  5. Step 5: Solve for x
    x = 6,871,976.35/3,325.03
  6. Step 6: Final answer
    x = 2,066.74

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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.