Home / 1,466.55-2,023.51-868.74

Finding the Fourth Proportional to 1,466.55, 2,023.51 and 868.74

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Solution

The fourth proportional to 1,466.55, 2,023.51 and 868.74 is: 1,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.55 : 2,023.51 = 868.74 : x
  2. Step 2: Convert to fraction form
    1,466.55/2,023.51 = 868.74/x
  3. Step 3: Cross multiply
    1,466.55x = 2,023.51 × 868.74
  4. Step 4: Simplify right side
    1,466.55x = 1,757,904.08
  5. Step 5: Solve for x
    x = 1,757,904.08/1,466.55
  6. Step 6: Final answer
    x = 1,198.67

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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.