Home / 2,225.96-3,070.98-1,396.52

Finding the Fourth Proportional to 2,225.96, 3,070.98 and 1,396.52

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Solution

The fourth proportional to 2,225.96, 3,070.98 and 1,396.52 is: 1,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.96 : 3,070.98 = 1,396.52 : x
  2. Step 2: Convert to fraction form
    2,225.96/3,070.98 = 1,396.52/x
  3. Step 3: Cross multiply
    2,225.96x = 3,070.98 × 1,396.52
  4. Step 4: Simplify right side
    2,225.96x = 4,288,684.99
  5. Step 5: Solve for x
    x = 4,288,684.99/2,225.96
  6. Step 6: Final answer
    x = 1,926.67

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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.