Home / 5,783.75-8,673.83-2,085.50

Finding the Fourth Proportional to 5,783.75, 8,673.83 and 2,085.50

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Solution

The fourth proportional to 5,783.75, 8,673.83 and 2,085.50 is: 3,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.75 : 8,673.83 = 2,085.50 : x
  2. Step 2: Convert to fraction form
    5,783.75/8,673.83 = 2,085.50/x
  3. Step 3: Cross multiply
    5,783.75x = 8,673.83 × 2,085.50
  4. Step 4: Simplify right side
    5,783.75x = 18,089,240.35
  5. Step 5: Solve for x
    x = 18,089,240.35/5,783.75
  6. Step 6: Final answer
    x = 3,127.60

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Half scale
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Double scale
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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.