Home / 6,531.48-9,014.42-3,879.54

Finding the Fourth Proportional to 6,531.48, 9,014.42 and 3,879.54

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Solution

The fourth proportional to 6,531.48, 9,014.42 and 3,879.54 is: 5,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.48 : 9,014.42 = 3,879.54 : x
  2. Step 2: Convert to fraction form
    6,531.48/9,014.42 = 3,879.54/x
  3. Step 3: Cross multiply
    6,531.48x = 9,014.42 × 3,879.54
  4. Step 4: Simplify right side
    6,531.48x = 34,971,802.97
  5. Step 5: Solve for x
    x = 34,971,802.97/6,531.48
  6. Step 6: Final answer
    x = 5,354.35

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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.