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Finding the Fourth Proportional to 5,276, 7,281 and 3,416.24

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Solution

The fourth proportional to 5,276, 7,281 and 3,416.24 is: 4,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276 : 7,281 = 3,416.24 : x
  2. Step 2: Convert to fraction form
    5,276/7,281 = 3,416.24/x
  3. Step 3: Cross multiply
    5,276x = 7,281 × 3,416.24
  4. Step 4: Simplify right side
    5,276x = 24,873,643.44
  5. Step 5: Solve for x
    x = 24,873,643.44/5,276
  6. Step 6: Final answer
    x = 4,714.49

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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.