Home / 5,469.12-7,554.24-4,806.72

Finding the Fourth Proportional to 5,469.12, 7,554.24 and 4,806.72

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Solution

The fourth proportional to 5,469.12, 7,554.24 and 4,806.72 is: 6,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 7,554.24 = 4,806.72 : x
  2. Step 2: Convert to fraction form
    5,469.12/7,554.24 = 4,806.72/x
  3. Step 3: Cross multiply
    5,469.12x = 7,554.24 × 4,806.72
  4. Step 4: Simplify right side
    5,469.12x = 36,311,116.49
  5. Step 5: Solve for x
    x = 36,311,116.49/5,469.12
  6. Step 6: Final answer
    x = 6,639.30

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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.