Home / 5,383.16-7,428.66-2,993.15

Finding the Fourth Proportional to 5,383.16, 7,428.66 and 2,993.15

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Solution

The fourth proportional to 5,383.16, 7,428.66 and 2,993.15 is: 4,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.16 : 7,428.66 = 2,993.15 : x
  2. Step 2: Convert to fraction form
    5,383.16/7,428.66 = 2,993.15/x
  3. Step 3: Cross multiply
    5,383.16x = 7,428.66 × 2,993.15
  4. Step 4: Simplify right side
    5,383.16x = 22,235,117.86
  5. Step 5: Solve for x
    x = 22,235,117.86/5,383.16
  6. Step 6: Final answer
    x = 4,130.50

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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.