Home / 4,195.60-6,290.40-2,114.12

Finding the Fourth Proportional to 4,195.60, 6,290.40 and 2,114.12

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Solution

The fourth proportional to 4,195.60, 6,290.40 and 2,114.12 is: 3,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.60 : 6,290.40 = 2,114.12 : x
  2. Step 2: Convert to fraction form
    4,195.60/6,290.40 = 2,114.12/x
  3. Step 3: Cross multiply
    4,195.60x = 6,290.40 × 2,114.12
  4. Step 4: Simplify right side
    4,195.60x = 13,298,660.45
  5. Step 5: Solve for x
    x = 13,298,660.45/4,195.60
  6. Step 6: Final answer
    x = 3,169.67

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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.