Home / 5,557.55-7,629.26-4,770.23

Finding the Fourth Proportional to 5,557.55, 7,629.26 and 4,770.23

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Solution

The fourth proportional to 5,557.55, 7,629.26 and 4,770.23 is: 6,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.55 : 7,629.26 = 4,770.23 : x
  2. Step 2: Convert to fraction form
    5,557.55/7,629.26 = 4,770.23/x
  3. Step 3: Cross multiply
    5,557.55x = 7,629.26 × 4,770.23
  4. Step 4: Simplify right side
    5,557.55x = 36,393,262.93
  5. Step 5: Solve for x
    x = 36,393,262.93/5,557.55
  6. Step 6: Final answer
    x = 6,548.44

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Half scale
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Double scale
Find fourth proportional to 5,558.55, 7,630.63 and 4,771.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.