Home / 5,126.55-7,074.14-3,030.27

Finding the Fourth Proportional to 5,126.55, 7,074.14 and 3,030.27

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Solution

The fourth proportional to 5,126.55, 7,074.14 and 3,030.27 is: 4,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.55 : 7,074.14 = 3,030.27 : x
  2. Step 2: Convert to fraction form
    5,126.55/7,074.14 = 3,030.27/x
  3. Step 3: Cross multiply
    5,126.55x = 7,074.14 × 3,030.27
  4. Step 4: Simplify right side
    5,126.55x = 21,436,539.07
  5. Step 5: Solve for x
    x = 21,436,539.07/5,126.55
  6. Step 6: Final answer
    x = 4,181.47

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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.