Home / 4,708.96-7,091.63-4,288.58

Finding the Fourth Proportional to 4,708.96, 7,091.63 and 4,288.58

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Solution

The fourth proportional to 4,708.96, 7,091.63 and 4,288.58 is: 6,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.96 : 7,091.63 = 4,288.58 : x
  2. Step 2: Convert to fraction form
    4,708.96/7,091.63 = 4,288.58/x
  3. Step 3: Cross multiply
    4,708.96x = 7,091.63 × 4,288.58
  4. Step 4: Simplify right side
    4,708.96x = 30,413,012.90
  5. Step 5: Solve for x
    x = 30,413,012.90/4,708.96
  6. Step 6: Final answer
    x = 6,458.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.