Home / 7,708.24-10,637.37-4,171.45

Finding the Fourth Proportional to 7,708.24, 10,637.37 and 4,171.45

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Solution

The fourth proportional to 7,708.24, 10,637.37 and 4,171.45 is: 5,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.24 : 10,637.37 = 4,171.45 : x
  2. Step 2: Convert to fraction form
    7,708.24/10,637.37 = 4,171.45/x
  3. Step 3: Cross multiply
    7,708.24x = 10,637.37 × 4,171.45
  4. Step 4: Simplify right side
    7,708.24x = 44,373,257.09
  5. Step 5: Solve for x
    x = 44,373,257.09/7,708.24
  6. Step 6: Final answer
    x = 5,756.60

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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.