Home / 2,768.50-4,152.75-2,630.08

Finding the Fourth Proportional to 2,768.50, 4,152.75 and 2,630.08

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Solution

The fourth proportional to 2,768.50, 4,152.75 and 2,630.08 is: 3,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.50 : 4,152.75 = 2,630.08 : x
  2. Step 2: Convert to fraction form
    2,768.50/4,152.75 = 2,630.08/x
  3. Step 3: Cross multiply
    2,768.50x = 4,152.75 × 2,630.08
  4. Step 4: Simplify right side
    2,768.50x = 10,922,064.72
  5. Step 5: Solve for x
    x = 10,922,064.72/2,768.50
  6. Step 6: Final answer
    x = 3,945.12

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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.