Home / 3,533.28-4,875.60-1,961.28

Finding the Fourth Proportional to 3,533.28, 4,875.60 and 1,961.28

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Solution

The fourth proportional to 3,533.28, 4,875.60 and 1,961.28 is: 2,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.28 : 4,875.60 = 1,961.28 : x
  2. Step 2: Convert to fraction form
    3,533.28/4,875.60 = 1,961.28/x
  3. Step 3: Cross multiply
    3,533.28x = 4,875.60 × 1,961.28
  4. Step 4: Simplify right side
    3,533.28x = 9,562,416.77
  5. Step 5: Solve for x
    x = 9,562,416.77/3,533.28
  6. Step 6: Final answer
    x = 2,706.39

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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.