Home / 3,533.40-4,876.08-1,961.48

Finding the Fourth Proportional to 3,533.40, 4,876.08 and 1,961.48

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Solution

The fourth proportional to 3,533.40, 4,876.08 and 1,961.48 is: 2,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.40 : 4,876.08 = 1,961.48 : x
  2. Step 2: Convert to fraction form
    3,533.40/4,876.08 = 1,961.48/x
  3. Step 3: Cross multiply
    3,533.40x = 4,876.08 × 1,961.48
  4. Step 4: Simplify right side
    3,533.40x = 9,564,333.40
  5. Step 5: Solve for x
    x = 9,564,333.40/3,533.40
  6. Step 6: Final answer
    x = 2,706.84

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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.