Home / 6,782.60-10,176.58-2,102.98

Finding the Fourth Proportional to 6,782.60, 10,176.58 and 2,102.98

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Solution

The fourth proportional to 6,782.60, 10,176.58 and 2,102.98 is: 3,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.60 : 10,176.58 = 2,102.98 : x
  2. Step 2: Convert to fraction form
    6,782.60/10,176.58 = 2,102.98/x
  3. Step 3: Cross multiply
    6,782.60x = 10,176.58 × 2,102.98
  4. Step 4: Simplify right side
    6,782.60x = 21,401,149.47
  5. Step 5: Solve for x
    x = 21,401,149.47/6,782.60
  6. Step 6: Final answer
    x = 3,155.30

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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.