Home / 5,350.78-7,383.63-2,993.05

Finding the Fourth Proportional to 5,350.78, 7,383.63 and 2,993.05

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Solution

The fourth proportional to 5,350.78, 7,383.63 and 2,993.05 is: 4,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.78 : 7,383.63 = 2,993.05 : x
  2. Step 2: Convert to fraction form
    5,350.78/7,383.63 = 2,993.05/x
  3. Step 3: Cross multiply
    5,350.78x = 7,383.63 × 2,993.05
  4. Step 4: Simplify right side
    5,350.78x = 22,099,573.77
  5. Step 5: Solve for x
    x = 22,099,573.77/5,350.78
  6. Step 6: Final answer
    x = 4,130.16

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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.