Home / 2,516.07-3,778.35-1,640.06

Finding the Fourth Proportional to 2,516.07, 3,778.35 and 1,640.06

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Solution

The fourth proportional to 2,516.07, 3,778.35 and 1,640.06 is: 2,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.07 : 3,778.35 = 1,640.06 : x
  2. Step 2: Convert to fraction form
    2,516.07/3,778.35 = 1,640.06/x
  3. Step 3: Cross multiply
    2,516.07x = 3,778.35 × 1,640.06
  4. Step 4: Simplify right side
    2,516.07x = 6,196,701.81
  5. Step 5: Solve for x
    x = 6,196,701.81/2,516.07
  6. Step 6: Final answer
    x = 2,462.85

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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.