Home / 5,741.36-8,612.34-1,845.80

Finding the Fourth Proportional to 5,741.36, 8,612.34 and 1,845.80

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Solution

The fourth proportional to 5,741.36, 8,612.34 and 1,845.80 is: 2,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.36 : 8,612.34 = 1,845.80 : x
  2. Step 2: Convert to fraction form
    5,741.36/8,612.34 = 1,845.80/x
  3. Step 3: Cross multiply
    5,741.36x = 8,612.34 × 1,845.80
  4. Step 4: Simplify right side
    5,741.36x = 15,896,657.17
  5. Step 5: Solve for x
    x = 15,896,657.17/5,741.36
  6. Step 6: Final answer
    x = 2,768.80

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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.