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Finding the Fourth Proportional to 4,274.76, 5,899.20 and 2,506.40

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Solution

The fourth proportional to 4,274.76, 5,899.20 and 2,506.40 is: 3,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.76 : 5,899.20 = 2,506.40 : x
  2. Step 2: Convert to fraction form
    4,274.76/5,899.20 = 2,506.40/x
  3. Step 3: Cross multiply
    4,274.76x = 5,899.20 × 2,506.40
  4. Step 4: Simplify right side
    4,274.76x = 14,785,754.88
  5. Step 5: Solve for x
    x = 14,785,754.88/4,274.76
  6. Step 6: Final answer
    x = 3,458.85

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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.