Home / 6,122.10-8,446.95-3,603.30

Finding the Fourth Proportional to 6,122.10, 8,446.95 and 3,603.30

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Solution

The fourth proportional to 6,122.10, 8,446.95 and 3,603.30 is: 4,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.10 : 8,446.95 = 3,603.30 : x
  2. Step 2: Convert to fraction form
    6,122.10/8,446.95 = 3,603.30/x
  3. Step 3: Cross multiply
    6,122.10x = 8,446.95 × 3,603.30
  4. Step 4: Simplify right side
    6,122.10x = 30,436,894.94
  5. Step 5: Solve for x
    x = 30,436,894.94/6,122.10
  6. Step 6: Final answer
    x = 4,971.64

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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.