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Finding the Fourth Proportional to 4,708.70, 6,498.31 and 2,719.34

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Solution

The fourth proportional to 4,708.70, 6,498.31 and 2,719.34 is: 3,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.70 : 6,498.31 = 2,719.34 : x
  2. Step 2: Convert to fraction form
    4,708.70/6,498.31 = 2,719.34/x
  3. Step 3: Cross multiply
    4,708.70x = 6,498.31 × 2,719.34
  4. Step 4: Simplify right side
    4,708.70x = 17,671,114.32
  5. Step 5: Solve for x
    x = 17,671,114.32/4,708.70
  6. Step 6: Final answer
    x = 3,752.86

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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.