Home / 2,966.80-4,089.46-2,336.32

Finding the Fourth Proportional to 2,966.80, 4,089.46 and 2,336.32

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Solution

The fourth proportional to 2,966.80, 4,089.46 and 2,336.32 is: 3,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.80 : 4,089.46 = 2,336.32 : x
  2. Step 2: Convert to fraction form
    2,966.80/4,089.46 = 2,336.32/x
  3. Step 3: Cross multiply
    2,966.80x = 4,089.46 × 2,336.32
  4. Step 4: Simplify right side
    2,966.80x = 9,554,287.19
  5. Step 5: Solve for x
    x = 9,554,287.19/2,966.80
  6. Step 6: Final answer
    x = 3,220.40

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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.