Home / 7,134.45-9,845.60-4,152.01

Finding the Fourth Proportional to 7,134.45, 9,845.60 and 4,152.01

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Solution

The fourth proportional to 7,134.45, 9,845.60 and 4,152.01 is: 5,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.45 : 9,845.60 = 4,152.01 : x
  2. Step 2: Convert to fraction form
    7,134.45/9,845.60 = 4,152.01/x
  3. Step 3: Cross multiply
    7,134.45x = 9,845.60 × 4,152.01
  4. Step 4: Simplify right side
    7,134.45x = 40,879,041.67
  5. Step 5: Solve for x
    x = 40,879,041.67/7,134.45
  6. Step 6: Final answer
    x = 5,729.81

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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.