Home / 7,070.55-10,602.20-3,740.60

Finding the Fourth Proportional to 7,070.55, 10,602.20 and 3,740.60

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Solution

The fourth proportional to 7,070.55, 10,602.20 and 3,740.60 is: 5,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.55 : 10,602.20 = 3,740.60 : x
  2. Step 2: Convert to fraction form
    7,070.55/10,602.20 = 3,740.60/x
  3. Step 3: Cross multiply
    7,070.55x = 10,602.20 × 3,740.60
  4. Step 4: Simplify right side
    7,070.55x = 39,658,517.61
  5. Step 5: Solve for x
    x = 39,658,517.61/7,070.55
  6. Step 6: Final answer
    x = 5,608.97

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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.