Home / 3,125.06-4,687.60-933.81

Finding the Fourth Proportional to 3,125.06, 4,687.60 and 933.81

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Solution

The fourth proportional to 3,125.06, 4,687.60 and 933.81 is: 1,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.06 : 4,687.60 = 933.81 : x
  2. Step 2: Convert to fraction form
    3,125.06/4,687.60 = 933.81/x
  3. Step 3: Cross multiply
    3,125.06x = 4,687.60 × 933.81
  4. Step 4: Simplify right side
    3,125.06x = 4,377,327.76
  5. Step 5: Solve for x
    x = 4,377,327.76/3,125.06
  6. Step 6: Final answer
    x = 1,400.72

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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.