Home / 4,674.30-7,011.45-4,098.30

Finding the Fourth Proportional to 4,674.30, 7,011.45 and 4,098.30

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Solution

The fourth proportional to 4,674.30, 7,011.45 and 4,098.30 is: 6,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.30 : 7,011.45 = 4,098.30 : x
  2. Step 2: Convert to fraction form
    4,674.30/7,011.45 = 4,098.30/x
  3. Step 3: Cross multiply
    4,674.30x = 7,011.45 × 4,098.30
  4. Step 4: Simplify right side
    4,674.30x = 28,735,025.54
  5. Step 5: Solve for x
    x = 28,735,025.54/4,674.30
  6. Step 6: Final answer
    x = 6,147.45

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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.