Home / 6,435.46-8,880.31-3,602.67

Finding the Fourth Proportional to 6,435.46, 8,880.31 and 3,602.67

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Solution

The fourth proportional to 6,435.46, 8,880.31 and 3,602.67 is: 4,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.46 : 8,880.31 = 3,602.67 : x
  2. Step 2: Convert to fraction form
    6,435.46/8,880.31 = 3,602.67/x
  3. Step 3: Cross multiply
    6,435.46x = 8,880.31 × 3,602.67
  4. Step 4: Simplify right side
    6,435.46x = 31,992,826.43
  5. Step 5: Solve for x
    x = 31,992,826.43/6,435.46
  6. Step 6: Final answer
    x = 4,971.33

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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.