Home / 7,708.36-10,637.52-4,171.54

Finding the Fourth Proportional to 7,708.36, 10,637.52 and 4,171.54

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Solution

The fourth proportional to 7,708.36, 10,637.52 and 4,171.54 is: 5,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.36 : 10,637.52 = 4,171.54 : x
  2. Step 2: Convert to fraction form
    7,708.36/10,637.52 = 4,171.54/x
  3. Step 3: Cross multiply
    7,708.36x = 10,637.52 × 4,171.54
  4. Step 4: Simplify right side
    7,708.36x = 44,374,840.18
  5. Step 5: Solve for x
    x = 44,374,840.18/7,708.36
  6. Step 6: Final answer
    x = 5,756.72

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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.