Home / 1,965.18-2,711.34-1,168.14

Finding the Fourth Proportional to 1,965.18, 2,711.34 and 1,168.14

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Solution

The fourth proportional to 1,965.18, 2,711.34 and 1,168.14 is: 1,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.18 : 2,711.34 = 1,168.14 : x
  2. Step 2: Convert to fraction form
    1,965.18/2,711.34 = 1,168.14/x
  3. Step 3: Cross multiply
    1,965.18x = 2,711.34 × 1,168.14
  4. Step 4: Simplify right side
    1,965.18x = 3,167,224.71
  5. Step 5: Solve for x
    x = 3,167,224.71/1,965.18
  6. Step 6: Final answer
    x = 1,611.67

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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.