Home / 5,255.96-7,883.40-1,746.20

Finding the Fourth Proportional to 5,255.96, 7,883.40 and 1,746.20

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Solution

The fourth proportional to 5,255.96, 7,883.40 and 1,746.20 is: 2,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.96 : 7,883.40 = 1,746.20 : x
  2. Step 2: Convert to fraction form
    5,255.96/7,883.40 = 1,746.20/x
  3. Step 3: Cross multiply
    5,255.96x = 7,883.40 × 1,746.20
  4. Step 4: Simplify right side
    5,255.96x = 13,765,993.08
  5. Step 5: Solve for x
    x = 13,765,993.08/5,255.96
  6. Step 6: Final answer
    x = 2,619.12

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1.5x scale

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.