Home / 3,563.16-4,917.40-1,991.25

Finding the Fourth Proportional to 3,563.16, 4,917.40 and 1,991.25

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Solution

The fourth proportional to 3,563.16, 4,917.40 and 1,991.25 is: 2,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.16 : 4,917.40 = 1,991.25 : x
  2. Step 2: Convert to fraction form
    3,563.16/4,917.40 = 1,991.25/x
  3. Step 3: Cross multiply
    3,563.16x = 4,917.40 × 1,991.25
  4. Step 4: Simplify right side
    3,563.16x = 9,791,767.77
  5. Step 5: Solve for x
    x = 9,791,767.77/3,563.16
  6. Step 6: Final answer
    x = 2,748.06

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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.