Home / 7,059.88-9,742.62-3,829.72

Finding the Fourth Proportional to 7,059.88, 9,742.62 and 3,829.72

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Solution

The fourth proportional to 7,059.88, 9,742.62 and 3,829.72 is: 5,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.88 : 9,742.62 = 3,829.72 : x
  2. Step 2: Convert to fraction form
    7,059.88/9,742.62 = 3,829.72/x
  3. Step 3: Cross multiply
    7,059.88x = 9,742.62 × 3,829.72
  4. Step 4: Simplify right side
    7,059.88x = 37,311,506.67
  5. Step 5: Solve for x
    x = 37,311,506.67/7,059.88
  6. Step 6: Final answer
    x = 5,285.01

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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.