Home / 7,770.12-10,723.54-4,745.07

Finding the Fourth Proportional to 7,770.12, 10,723.54 and 4,745.07

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Solution

The fourth proportional to 7,770.12, 10,723.54 and 4,745.07 is: 6,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.12 : 10,723.54 = 4,745.07 : x
  2. Step 2: Convert to fraction form
    7,770.12/10,723.54 = 4,745.07/x
  3. Step 3: Cross multiply
    7,770.12x = 10,723.54 × 4,745.07
  4. Step 4: Simplify right side
    7,770.12x = 50,883,924.22
  5. Step 5: Solve for x
    x = 50,883,924.22/7,770.12
  6. Step 6: Final answer
    x = 6,548.67

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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.