Home / 7,579.35-10,458.12-4,222.02

Finding the Fourth Proportional to 7,579.35, 10,458.12 and 4,222.02

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Solution

The fourth proportional to 7,579.35, 10,458.12 and 4,222.02 is: 5,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.35 : 10,458.12 = 4,222.02 : x
  2. Step 2: Convert to fraction form
    7,579.35/10,458.12 = 4,222.02/x
  3. Step 3: Cross multiply
    7,579.35x = 10,458.12 × 4,222.02
  4. Step 4: Simplify right side
    7,579.35x = 44,154,391.80
  5. Step 5: Solve for x
    x = 44,154,391.80/7,579.35
  6. Step 6: Final answer
    x = 5,825.62

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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.