Home / 2,620.93-3,617.85-1,737.02

Finding the Fourth Proportional to 2,620.93, 3,617.85 and 1,737.02

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Solution

The fourth proportional to 2,620.93, 3,617.85 and 1,737.02 is: 2,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.93 : 3,617.85 = 1,737.02 : x
  2. Step 2: Convert to fraction form
    2,620.93/3,617.85 = 1,737.02/x
  3. Step 3: Cross multiply
    2,620.93x = 3,617.85 × 1,737.02
  4. Step 4: Simplify right side
    2,620.93x = 6,284,277.81
  5. Step 5: Solve for x
    x = 6,284,277.81/2,620.93
  6. Step 6: Final answer
    x = 2,397.73

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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.