Home / 6,121.54-8,444.76-3,603.52

Finding the Fourth Proportional to 6,121.54, 8,444.76 and 3,603.52

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Solution

The fourth proportional to 6,121.54, 8,444.76 and 3,603.52 is: 4,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.54 : 8,444.76 = 3,603.52 : x
  2. Step 2: Convert to fraction form
    6,121.54/8,444.76 = 3,603.52/x
  3. Step 3: Cross multiply
    6,121.54x = 8,444.76 × 3,603.52
  4. Step 4: Simplify right side
    6,121.54x = 30,430,858.60
  5. Step 5: Solve for x
    x = 30,430,858.60/6,121.54
  6. Step 6: Final answer
    x = 4,971.11

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Half scale
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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.