Home / 2,271.95-3,409.75-1,176.63

Finding the Fourth Proportional to 2,271.95, 3,409.75 and 1,176.63

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Solution

The fourth proportional to 2,271.95, 3,409.75 and 1,176.63 is: 1,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.95 : 3,409.75 = 1,176.63 : x
  2. Step 2: Convert to fraction form
    2,271.95/3,409.75 = 1,176.63/x
  3. Step 3: Cross multiply
    2,271.95x = 3,409.75 × 1,176.63
  4. Step 4: Simplify right side
    2,271.95x = 4,012,015.61
  5. Step 5: Solve for x
    x = 4,012,015.61/2,271.95
  6. Step 6: Final answer
    x = 1,765.89

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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.