Home / 7,070.68-10,601.66-2,390.25

Finding the Fourth Proportional to 7,070.68, 10,601.66 and 2,390.25

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Solution

The fourth proportional to 7,070.68, 10,601.66 and 2,390.25 is: 3,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.68 : 10,601.66 = 2,390.25 : x
  2. Step 2: Convert to fraction form
    7,070.68/10,601.66 = 2,390.25/x
  3. Step 3: Cross multiply
    7,070.68x = 10,601.66 × 2,390.25
  4. Step 4: Simplify right side
    7,070.68x = 25,340,579.55
  5. Step 5: Solve for x
    x = 25,340,579.55/7,070.68
  6. Step 6: Final answer
    x = 3,583.90

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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.