Home / 1,941.84-2,679.75-1,156.28

Finding the Fourth Proportional to 1,941.84, 2,679.75 and 1,156.28

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Solution

The fourth proportional to 1,941.84, 2,679.75 and 1,156.28 is: 1,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.84 : 2,679.75 = 1,156.28 : x
  2. Step 2: Convert to fraction form
    1,941.84/2,679.75 = 1,156.28/x
  3. Step 3: Cross multiply
    1,941.84x = 2,679.75 × 1,156.28
  4. Step 4: Simplify right side
    1,941.84x = 3,098,527.93
  5. Step 5: Solve for x
    x = 3,098,527.93/1,941.84
  6. Step 6: Final answer
    x = 1,595.67

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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.