Home / 7,062.10-9,745.61-4,077.87

Finding the Fourth Proportional to 7,062.10, 9,745.61 and 4,077.87

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Solution

The fourth proportional to 7,062.10, 9,745.61 and 4,077.87 is: 5,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.10 : 9,745.61 = 4,077.87 : x
  2. Step 2: Convert to fraction form
    7,062.10/9,745.61 = 4,077.87/x
  3. Step 3: Cross multiply
    7,062.10x = 9,745.61 × 4,077.87
  4. Step 4: Simplify right side
    7,062.10x = 39,741,285.18
  5. Step 5: Solve for x
    x = 39,741,285.18/7,062.10
  6. Step 6: Final answer
    x = 5,627.41

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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.