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Finding the Fourth Proportional to 3,237.84, 4,856.72 and 2,090.88

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Solution

The fourth proportional to 3,237.84, 4,856.72 and 2,090.88 is: 3,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.84 : 4,856.72 = 2,090.88 : x
  2. Step 2: Convert to fraction form
    3,237.84/4,856.72 = 2,090.88/x
  3. Step 3: Cross multiply
    3,237.84x = 4,856.72 × 2,090.88
  4. Step 4: Simplify right side
    3,237.84x = 10,154,818.71
  5. Step 5: Solve for x
    x = 10,154,818.71/3,237.84
  6. Step 6: Final answer
    x = 3,136.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.