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Finding the Fourth Proportional to 3,099.84, 4,277.37 and 1,773.63

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Solution

The fourth proportional to 3,099.84, 4,277.37 and 1,773.63 is: 2,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.84 : 4,277.37 = 1,773.63 : x
  2. Step 2: Convert to fraction form
    3,099.84/4,277.37 = 1,773.63/x
  3. Step 3: Cross multiply
    3,099.84x = 4,277.37 × 1,773.63
  4. Step 4: Simplify right side
    3,099.84x = 7,586,471.75
  5. Step 5: Solve for x
    x = 7,586,471.75/3,099.84
  6. Step 6: Final answer
    x = 2,447.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,100.84, 4,278.75 and 1,774.63
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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.