Home / 6,240.78-9,365.40-4,764.60

Finding the Fourth Proportional to 6,240.78, 9,365.40 and 4,764.60

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Solution

The fourth proportional to 6,240.78, 9,365.40 and 4,764.60 is: 7,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.78 : 9,365.40 = 4,764.60 : x
  2. Step 2: Convert to fraction form
    6,240.78/9,365.40 = 4,764.60/x
  3. Step 3: Cross multiply
    6,240.78x = 9,365.40 × 4,764.60
  4. Step 4: Simplify right side
    6,240.78x = 44,622,384.84
  5. Step 5: Solve for x
    x = 44,622,384.84/6,240.78
  6. Step 6: Final answer
    x = 7,150.13

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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.