Home / 4,748.20-6,551.82-2,980.37

Finding the Fourth Proportional to 4,748.20, 6,551.82 and 2,980.37

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Solution

The fourth proportional to 4,748.20, 6,551.82 and 2,980.37 is: 4,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.20 : 6,551.82 = 2,980.37 : x
  2. Step 2: Convert to fraction form
    4,748.20/6,551.82 = 2,980.37/x
  3. Step 3: Cross multiply
    4,748.20x = 6,551.82 × 2,980.37
  4. Step 4: Simplify right side
    4,748.20x = 19,526,864.15
  5. Step 5: Solve for x
    x = 19,526,864.15/4,748.20
  6. Step 6: Final answer
    x = 4,112.48

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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.