Home / 3,505.07-4,836.66-2,160.47

Finding the Fourth Proportional to 3,505.07, 4,836.66 and 2,160.47

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Solution

The fourth proportional to 3,505.07, 4,836.66 and 2,160.47 is: 2,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.07 : 4,836.66 = 2,160.47 : x
  2. Step 2: Convert to fraction form
    3,505.07/4,836.66 = 2,160.47/x
  3. Step 3: Cross multiply
    3,505.07x = 4,836.66 × 2,160.47
  4. Step 4: Simplify right side
    3,505.07x = 10,449,458.83
  5. Step 5: Solve for x
    x = 10,449,458.83/3,505.07
  6. Step 6: Final answer
    x = 2,981.24

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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.