Home / 6,960.79-10,440.78-2,030.32

Finding the Fourth Proportional to 6,960.79, 10,440.78 and 2,030.32

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Solution

The fourth proportional to 6,960.79, 10,440.78 and 2,030.32 is: 3,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.79 : 10,440.78 = 2,030.32 : x
  2. Step 2: Convert to fraction form
    6,960.79/10,440.78 = 2,030.32/x
  3. Step 3: Cross multiply
    6,960.79x = 10,440.78 × 2,030.32
  4. Step 4: Simplify right side
    6,960.79x = 21,198,124.45
  5. Step 5: Solve for x
    x = 21,198,124.45/6,960.79
  6. Step 6: Final answer
    x = 3,045.36

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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.