Home / 7,222.50-9,961.92-4,567.32

Finding the Fourth Proportional to 7,222.50, 9,961.92 and 4,567.32

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Solution

The fourth proportional to 7,222.50, 9,961.92 and 4,567.32 is: 6,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.50 : 9,961.92 = 4,567.32 : x
  2. Step 2: Convert to fraction form
    7,222.50/9,961.92 = 4,567.32/x
  3. Step 3: Cross multiply
    7,222.50x = 9,961.92 × 4,567.32
  4. Step 4: Simplify right side
    7,222.50x = 45,499,276.45
  5. Step 5: Solve for x
    x = 45,499,276.45/7,222.50
  6. Step 6: Final answer
    x = 6,299.66

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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.