Home / 7,014.07-9,680.28-4,029.90

Finding the Fourth Proportional to 7,014.07, 9,680.28 and 4,029.90

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Solution

The fourth proportional to 7,014.07, 9,680.28 and 4,029.90 is: 5,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.07 : 9,680.28 = 4,029.90 : x
  2. Step 2: Convert to fraction form
    7,014.07/9,680.28 = 4,029.90/x
  3. Step 3: Cross multiply
    7,014.07x = 9,680.28 × 4,029.90
  4. Step 4: Simplify right side
    7,014.07x = 39,010,560.37
  5. Step 5: Solve for x
    x = 39,010,560.37/7,014.07
  6. Step 6: Final answer
    x = 5,561.76

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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.