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Finding the Fourth Proportional to 5,803.16, 8,008.20 and 3,445.28

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Solution

The fourth proportional to 5,803.16, 8,008.20 and 3,445.28 is: 4,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.16 : 8,008.20 = 3,445.28 : x
  2. Step 2: Convert to fraction form
    5,803.16/8,008.20 = 3,445.28/x
  3. Step 3: Cross multiply
    5,803.16x = 8,008.20 × 3,445.28
  4. Step 4: Simplify right side
    5,803.16x = 27,590,491.30
  5. Step 5: Solve for x
    x = 27,590,491.30/5,803.16
  6. Step 6: Final answer
    x = 4,754.39

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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.