Home / 2,415.04-3,622.56-683.67

Finding the Fourth Proportional to 2,415.04, 3,622.56 and 683.67

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Solution

The fourth proportional to 2,415.04, 3,622.56 and 683.67 is: 1,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.04 : 3,622.56 = 683.67 : x
  2. Step 2: Convert to fraction form
    2,415.04/3,622.56 = 683.67/x
  3. Step 3: Cross multiply
    2,415.04x = 3,622.56 × 683.67
  4. Step 4: Simplify right side
    2,415.04x = 2,476,635.60
  5. Step 5: Solve for x
    x = 2,476,635.60/2,415.04
  6. Step 6: Final answer
    x = 1,025.51

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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.