Home / 7,485.75-11,228.67-2,291.67

Finding the Fourth Proportional to 7,485.75, 11,228.67 and 2,291.67

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Solution

The fourth proportional to 7,485.75, 11,228.67 and 2,291.67 is: 3,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.75 : 11,228.67 = 2,291.67 : x
  2. Step 2: Convert to fraction form
    7,485.75/11,228.67 = 2,291.67/x
  3. Step 3: Cross multiply
    7,485.75x = 11,228.67 × 2,291.67
  4. Step 4: Simplify right side
    7,485.75x = 25,732,406.18
  5. Step 5: Solve for x
    x = 25,732,406.18/7,485.75
  6. Step 6: Final answer
    x = 3,437.52

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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.