Home / 7,160.37-9,880.77-4,175.83

Finding the Fourth Proportional to 7,160.37, 9,880.77 and 4,175.83

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Solution

The fourth proportional to 7,160.37, 9,880.77 and 4,175.83 is: 5,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.37 : 9,880.77 = 4,175.83 : x
  2. Step 2: Convert to fraction form
    7,160.37/9,880.77 = 4,175.83/x
  3. Step 3: Cross multiply
    7,160.37x = 9,880.77 × 4,175.83
  4. Step 4: Simplify right side
    7,160.37x = 41,260,415.79
  5. Step 5: Solve for x
    x = 41,260,415.79/7,160.37
  6. Step 6: Final answer
    x = 5,762.33

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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.