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Finding the Fourth Proportional to 4,756.40, 6,554.40 and 3,706.64

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Solution

The fourth proportional to 4,756.40, 6,554.40 and 3,706.64 is: 5,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.40 : 6,554.40 = 3,706.64 : x
  2. Step 2: Convert to fraction form
    4,756.40/6,554.40 = 3,706.64/x
  3. Step 3: Cross multiply
    4,756.40x = 6,554.40 × 3,706.64
  4. Step 4: Simplify right side
    4,756.40x = 24,294,801.22
  5. Step 5: Solve for x
    x = 24,294,801.22/4,756.40
  6. Step 6: Final answer
    x = 5,107.81

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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.