Home / 2,940.60-4,058.74-1,762.36

Finding the Fourth Proportional to 2,940.60, 4,058.74 and 1,762.36

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Solution

The fourth proportional to 2,940.60, 4,058.74 and 1,762.36 is: 2,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.60 : 4,058.74 = 1,762.36 : x
  2. Step 2: Convert to fraction form
    2,940.60/4,058.74 = 1,762.36/x
  3. Step 3: Cross multiply
    2,940.60x = 4,058.74 × 1,762.36
  4. Step 4: Simplify right side
    2,940.60x = 7,152,961.03
  5. Step 5: Solve for x
    x = 7,152,961.03/2,940.60
  6. Step 6: Final answer
    x = 2,432.48

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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.