Home / 5,139.73-7,703.40-2,362.57

Finding the Fourth Proportional to 5,139.73, 7,703.40 and 2,362.57

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Solution

The fourth proportional to 5,139.73, 7,703.40 and 2,362.57 is: 3,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.73 : 7,703.40 = 2,362.57 : x
  2. Step 2: Convert to fraction form
    5,139.73/7,703.40 = 2,362.57/x
  3. Step 3: Cross multiply
    5,139.73x = 7,703.40 × 2,362.57
  4. Step 4: Simplify right side
    5,139.73x = 18,199,821.74
  5. Step 5: Solve for x
    x = 18,199,821.74/5,139.73
  6. Step 6: Final answer
    x = 3,541.01

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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.