Home / 3,094.72-4,270.82-1,768.40

Finding the Fourth Proportional to 3,094.72, 4,270.82 and 1,768.40

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Solution

The fourth proportional to 3,094.72, 4,270.82 and 1,768.40 is: 2,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.72 : 4,270.82 = 1,768.40 : x
  2. Step 2: Convert to fraction form
    3,094.72/4,270.82 = 1,768.40/x
  3. Step 3: Cross multiply
    3,094.72x = 4,270.82 × 1,768.40
  4. Step 4: Simplify right side
    3,094.72x = 7,552,518.09
  5. Step 5: Solve for x
    x = 7,552,518.09/3,094.72
  6. Step 6: Final answer
    x = 2,440.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.