Home / 5,090.72-7,627.84-2,901.02

Finding the Fourth Proportional to 5,090.72, 7,627.84 and 2,901.02

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Solution

The fourth proportional to 5,090.72, 7,627.84 and 2,901.02 is: 4,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.72 : 7,627.84 = 2,901.02 : x
  2. Step 2: Convert to fraction form
    5,090.72/7,627.84 = 2,901.02/x
  3. Step 3: Cross multiply
    5,090.72x = 7,627.84 × 2,901.02
  4. Step 4: Simplify right side
    5,090.72x = 22,128,471.01
  5. Step 5: Solve for x
    x = 22,128,471.01/5,090.72
  6. Step 6: Final answer
    x = 4,346.83

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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.