Home / 4,674.40-7,013.20-2,079.12

Finding the Fourth Proportional to 4,674.40, 7,013.20 and 2,079.12

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Solution

The fourth proportional to 4,674.40, 7,013.20 and 2,079.12 is: 3,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.40 : 7,013.20 = 2,079.12 : x
  2. Step 2: Convert to fraction form
    4,674.40/7,013.20 = 2,079.12/x
  3. Step 3: Cross multiply
    4,674.40x = 7,013.20 × 2,079.12
  4. Step 4: Simplify right side
    4,674.40x = 14,581,284.38
  5. Step 5: Solve for x
    x = 14,581,284.38/4,674.40
  6. Step 6: Final answer
    x = 3,119.39

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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.