Home / 7,077.93-9,768.75-4,095.59

Finding the Fourth Proportional to 7,077.93, 9,768.75 and 4,095.59

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Solution

The fourth proportional to 7,077.93, 9,768.75 and 4,095.59 is: 5,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.93 : 9,768.75 = 4,095.59 : x
  2. Step 2: Convert to fraction form
    7,077.93/9,768.75 = 4,095.59/x
  3. Step 3: Cross multiply
    7,077.93x = 9,768.75 × 4,095.59
  4. Step 4: Simplify right side
    7,077.93x = 40,008,745.97
  5. Step 5: Solve for x
    x = 40,008,745.97/7,077.93
  6. Step 6: Final answer
    x = 5,652.61

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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.