Home / 2,176.64-3,266.40-1,022.48

Finding the Fourth Proportional to 2,176.64, 3,266.40 and 1,022.48

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Solution

The fourth proportional to 2,176.64, 3,266.40 and 1,022.48 is: 1,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.64 : 3,266.40 = 1,022.48 : x
  2. Step 2: Convert to fraction form
    2,176.64/3,266.40 = 1,022.48/x
  3. Step 3: Cross multiply
    2,176.64x = 3,266.40 × 1,022.48
  4. Step 4: Simplify right side
    2,176.64x = 3,339,828.67
  5. Step 5: Solve for x
    x = 3,339,828.67/2,176.64
  6. Step 6: Final answer
    x = 1,534.40

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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.