Home / 2,133.51-3,197.75-962.15

Finding the Fourth Proportional to 2,133.51, 3,197.75 and 962.15

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Solution

The fourth proportional to 2,133.51, 3,197.75 and 962.15 is: 1,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.51 : 3,197.75 = 962.15 : x
  2. Step 2: Convert to fraction form
    2,133.51/3,197.75 = 962.15/x
  3. Step 3: Cross multiply
    2,133.51x = 3,197.75 × 962.15
  4. Step 4: Simplify right side
    2,133.51x = 3,076,694.36
  5. Step 5: Solve for x
    x = 3,076,694.36/2,133.51
  6. Step 6: Final answer
    x = 1,442.08

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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.