Home / 6,720.41-10,080.63-2,040.45

Finding the Fourth Proportional to 6,720.41, 10,080.63 and 2,040.45

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Solution

The fourth proportional to 6,720.41, 10,080.63 and 2,040.45 is: 3,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.41 : 10,080.63 = 2,040.45 : x
  2. Step 2: Convert to fraction form
    6,720.41/10,080.63 = 2,040.45/x
  3. Step 3: Cross multiply
    6,720.41x = 10,080.63 × 2,040.45
  4. Step 4: Simplify right side
    6,720.41x = 20,569,011.28
  5. Step 5: Solve for x
    x = 20,569,011.28/6,720.41
  6. Step 6: Final answer
    x = 3,060.68

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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.