Home / 2,915.48-4,022.92-1,673.24

Finding the Fourth Proportional to 2,915.48, 4,022.92 and 1,673.24

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Solution

The fourth proportional to 2,915.48, 4,022.92 and 1,673.24 is: 2,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.48 : 4,022.92 = 1,673.24 : x
  2. Step 2: Convert to fraction form
    2,915.48/4,022.92 = 1,673.24/x
  3. Step 3: Cross multiply
    2,915.48x = 4,022.92 × 1,673.24
  4. Step 4: Simplify right side
    2,915.48x = 6,731,310.66
  5. Step 5: Solve for x
    x = 6,731,310.66/2,915.48
  6. Step 6: Final answer
    x = 2,308.82

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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.