Home / 2,058.38-2,840.15-1,173.95

Finding the Fourth Proportional to 2,058.38, 2,840.15 and 1,173.95

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Solution

The fourth proportional to 2,058.38, 2,840.15 and 1,173.95 is: 1,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.38 : 2,840.15 = 1,173.95 : x
  2. Step 2: Convert to fraction form
    2,058.38/2,840.15 = 1,173.95/x
  3. Step 3: Cross multiply
    2,058.38x = 2,840.15 × 1,173.95
  4. Step 4: Simplify right side
    2,058.38x = 3,334,188.22
  5. Step 5: Solve for x
    x = 3,334,188.22/2,058.38
  6. Step 6: Final answer
    x = 1,619.81

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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.