Home / 2,058.08-2,840.48-1,173.92

Finding the Fourth Proportional to 2,058.08, 2,840.48 and 1,173.92

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Solution

The fourth proportional to 2,058.08, 2,840.48 and 1,173.92 is: 1,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.08 : 2,840.48 = 1,173.92 : x
  2. Step 2: Convert to fraction form
    2,058.08/2,840.48 = 1,173.92/x
  3. Step 3: Cross multiply
    2,058.08x = 2,840.48 × 1,173.92
  4. Step 4: Simplify right side
    2,058.08x = 3,334,496.28
  5. Step 5: Solve for x
    x = 3,334,496.28/2,058.08
  6. Step 6: Final answer
    x = 1,620.20

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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.