Home / 5,454.54-7,521.31-3,683.07

Finding the Fourth Proportional to 5,454.54, 7,521.31 and 3,683.07

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Solution

The fourth proportional to 5,454.54, 7,521.31 and 3,683.07 is: 5,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.54 : 7,521.31 = 3,683.07 : x
  2. Step 2: Convert to fraction form
    5,454.54/7,521.31 = 3,683.07/x
  3. Step 3: Cross multiply
    5,454.54x = 7,521.31 × 3,683.07
  4. Step 4: Simplify right side
    5,454.54x = 27,701,495.11
  5. Step 5: Solve for x
    x = 27,701,495.11/5,454.54
  6. Step 6: Final answer
    x = 5,078.61

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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.