Home / 1,756.17-2,633.85-1,211.85

Finding the Fourth Proportional to 1,756.17, 2,633.85 and 1,211.85

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Solution

The fourth proportional to 1,756.17, 2,633.85 and 1,211.85 is: 1,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.17 : 2,633.85 = 1,211.85 : x
  2. Step 2: Convert to fraction form
    1,756.17/2,633.85 = 1,211.85/x
  3. Step 3: Cross multiply
    1,756.17x = 2,633.85 × 1,211.85
  4. Step 4: Simplify right side
    1,756.17x = 3,191,831.12
  5. Step 5: Solve for x
    x = 3,191,831.12/1,756.17
  6. Step 6: Final answer
    x = 1,817.50

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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.