Home / 5,110.80-7,007.70-4,611.48

Finding the Fourth Proportional to 5,110.80, 7,007.70 and 4,611.48

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Solution

The fourth proportional to 5,110.80, 7,007.70 and 4,611.48 is: 6,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.80 : 7,007.70 = 4,611.48 : x
  2. Step 2: Convert to fraction form
    5,110.80/7,007.70 = 4,611.48/x
  3. Step 3: Cross multiply
    5,110.80x = 7,007.70 × 4,611.48
  4. Step 4: Simplify right side
    5,110.80x = 32,315,868.40
  5. Step 5: Solve for x
    x = 32,315,868.40/5,110.80
  6. Step 6: Final answer
    x = 6,323.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.