Home / 2,640.48-3,635.52-2,325.54

Finding the Fourth Proportional to 2,640.48, 3,635.52 and 2,325.54

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Solution

The fourth proportional to 2,640.48, 3,635.52 and 2,325.54 is: 3,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.48 : 3,635.52 = 2,325.54 : x
  2. Step 2: Convert to fraction form
    2,640.48/3,635.52 = 2,325.54/x
  3. Step 3: Cross multiply
    2,640.48x = 3,635.52 × 2,325.54
  4. Step 4: Simplify right side
    2,640.48x = 8,454,547.18
  5. Step 5: Solve for x
    x = 8,454,547.18/2,640.48
  6. Step 6: Final answer
    x = 3,201.90

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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.