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Finding the Fourth Proportional to 3,335.52, 4,603.44 and 1,938

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Solution

The fourth proportional to 3,335.52, 4,603.44 and 1,938 is: 2,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.52 : 4,603.44 = 1,938 : x
  2. Step 2: Convert to fraction form
    3,335.52/4,603.44 = 1,938/x
  3. Step 3: Cross multiply
    3,335.52x = 4,603.44 × 1,938
  4. Step 4: Simplify right side
    3,335.52x = 8,921,466.72
  5. Step 5: Solve for x
    x = 8,921,466.72/3,335.52
  6. Step 6: Final answer
    x = 2,674.69

Related Problems

Find fourth proportional to 1,667.76, 2,301.72 and 969
Half scale
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Double scale
Find fourth proportional to 3,336.52, 4,604.82 and 1,939
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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.