Home / 3,383.48-5,075.63-1,191.76

Finding the Fourth Proportional to 3,383.48, 5,075.63 and 1,191.76

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Solution

The fourth proportional to 3,383.48, 5,075.63 and 1,191.76 is: 1,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.48 : 5,075.63 = 1,191.76 : x
  2. Step 2: Convert to fraction form
    3,383.48/5,075.63 = 1,191.76/x
  3. Step 3: Cross multiply
    3,383.48x = 5,075.63 × 1,191.76
  4. Step 4: Simplify right side
    3,383.48x = 6,048,932.81
  5. Step 5: Solve for x
    x = 6,048,932.81/3,383.48
  6. Step 6: Final answer
    x = 1,787.78

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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.