Home / 5,731.03-8,594.75-2,220.80

Finding the Fourth Proportional to 5,731.03, 8,594.75 and 2,220.80

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Solution

The fourth proportional to 5,731.03, 8,594.75 and 2,220.80 is: 3,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.03 : 8,594.75 = 2,220.80 : x
  2. Step 2: Convert to fraction form
    5,731.03/8,594.75 = 2,220.80/x
  3. Step 3: Cross multiply
    5,731.03x = 8,594.75 × 2,220.80
  4. Step 4: Simplify right side
    5,731.03x = 19,087,185.79
  5. Step 5: Solve for x
    x = 19,087,185.79/5,731.03
  6. Step 6: Final answer
    x = 3,330.50

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Half scale
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Double scale
Find fourth proportional to 5,732.03, 8,596.25 and 2,221.80
Similar ratio
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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.