Home / 7,048.80-10,571.64-2,666.16

Finding the Fourth Proportional to 7,048.80, 10,571.64 and 2,666.16

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Solution

The fourth proportional to 7,048.80, 10,571.64 and 2,666.16 is: 3,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.80 : 10,571.64 = 2,666.16 : x
  2. Step 2: Convert to fraction form
    7,048.80/10,571.64 = 2,666.16/x
  3. Step 3: Cross multiply
    7,048.80x = 10,571.64 × 2,666.16
  4. Step 4: Simplify right side
    7,048.80x = 28,185,683.70
  5. Step 5: Solve for x
    x = 28,185,683.70/7,048.80
  6. Step 6: Final answer
    x = 3,998.65

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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.