Home / 7,153.93-9,873.60-4,171.51

Finding the Fourth Proportional to 7,153.93, 9,873.60 and 4,171.51

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Solution

The fourth proportional to 7,153.93, 9,873.60 and 4,171.51 is: 5,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.93 : 9,873.60 = 4,171.51 : x
  2. Step 2: Convert to fraction form
    7,153.93/9,873.60 = 4,171.51/x
  3. Step 3: Cross multiply
    7,153.93x = 9,873.60 × 4,171.51
  4. Step 4: Simplify right side
    7,153.93x = 41,187,821.14
  5. Step 5: Solve for x
    x = 41,187,821.14/7,153.93
  6. Step 6: Final answer
    x = 5,757.37

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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.