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Finding the Fourth Proportional to 4,770.79, 7,156.19 and 1,483

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Solution

The fourth proportional to 4,770.79, 7,156.19 and 1,483 is: 2,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.79 : 7,156.19 = 1,483 : x
  2. Step 2: Convert to fraction form
    4,770.79/7,156.19 = 1,483/x
  3. Step 3: Cross multiply
    4,770.79x = 7,156.19 × 1,483
  4. Step 4: Simplify right side
    4,770.79x = 10,612,629.77
  5. Step 5: Solve for x
    x = 10,612,629.77/4,770.79
  6. Step 6: Final answer
    x = 2,224.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.