Home / 7,777.75-10,733.48-4,420.03

Finding the Fourth Proportional to 7,777.75, 10,733.48 and 4,420.03

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Solution

The fourth proportional to 7,777.75, 10,733.48 and 4,420.03 is: 6,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.75 : 10,733.48 = 4,420.03 : x
  2. Step 2: Convert to fraction form
    7,777.75/10,733.48 = 4,420.03/x
  3. Step 3: Cross multiply
    7,777.75x = 10,733.48 × 4,420.03
  4. Step 4: Simplify right side
    7,777.75x = 47,442,303.60
  5. Step 5: Solve for x
    x = 47,442,303.60/7,777.75
  6. Step 6: Final answer
    x = 6,099.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.