Home / 4,830.60-6,666.25-2,706.20

Finding the Fourth Proportional to 4,830.60, 6,666.25 and 2,706.20

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Solution

The fourth proportional to 4,830.60, 6,666.25 and 2,706.20 is: 3,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.60 : 6,666.25 = 2,706.20 : x
  2. Step 2: Convert to fraction form
    4,830.60/6,666.25 = 2,706.20/x
  3. Step 3: Cross multiply
    4,830.60x = 6,666.25 × 2,706.20
  4. Step 4: Simplify right side
    4,830.60x = 18,040,158.89
  5. Step 5: Solve for x
    x = 18,040,158.89/4,830.60
  6. Step 6: Final answer
    x = 3,734.56

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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.