Home / 2,940.16-4,058.08-1,698.88

Finding the Fourth Proportional to 2,940.16, 4,058.08 and 1,698.88

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Solution

The fourth proportional to 2,940.16, 4,058.08 and 1,698.88 is: 2,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.16 : 4,058.08 = 1,698.88 : x
  2. Step 2: Convert to fraction form
    2,940.16/4,058.08 = 1,698.88/x
  3. Step 3: Cross multiply
    2,940.16x = 4,058.08 × 1,698.88
  4. Step 4: Simplify right side
    2,940.16x = 6,894,190.95
  5. Step 5: Solve for x
    x = 6,894,190.95/2,940.16
  6. Step 6: Final answer
    x = 2,344.84

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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.