Home / 1,915.92-2,867.91-1,476.05

Finding the Fourth Proportional to 1,915.92, 2,867.91 and 1,476.05

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Solution

The fourth proportional to 1,915.92, 2,867.91 and 1,476.05 is: 2,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.92 : 2,867.91 = 1,476.05 : x
  2. Step 2: Convert to fraction form
    1,915.92/2,867.91 = 1,476.05/x
  3. Step 3: Cross multiply
    1,915.92x = 2,867.91 × 1,476.05
  4. Step 4: Simplify right side
    1,915.92x = 4,233,164.22
  5. Step 5: Solve for x
    x = 4,233,164.22/1,915.92
  6. Step 6: Final answer
    x = 2,209.47

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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.