Home / 3,125.61-4,685.31-1,739.58

Finding the Fourth Proportional to 3,125.61, 4,685.31 and 1,739.58

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Solution

The fourth proportional to 3,125.61, 4,685.31 and 1,739.58 is: 2,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.61 : 4,685.31 = 1,739.58 : x
  2. Step 2: Convert to fraction form
    3,125.61/4,685.31 = 1,739.58/x
  3. Step 3: Cross multiply
    3,125.61x = 4,685.31 × 1,739.58
  4. Step 4: Simplify right side
    3,125.61x = 8,150,471.57
  5. Step 5: Solve for x
    x = 8,150,471.57/3,125.61
  6. Step 6: Final answer
    x = 2,607.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.