Home / 2,170.98-2,995.93-1,176.25

Finding the Fourth Proportional to 2,170.98, 2,995.93 and 1,176.25

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Solution

The fourth proportional to 2,170.98, 2,995.93 and 1,176.25 is: 1,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.98 : 2,995.93 = 1,176.25 : x
  2. Step 2: Convert to fraction form
    2,170.98/2,995.93 = 1,176.25/x
  3. Step 3: Cross multiply
    2,170.98x = 2,995.93 × 1,176.25
  4. Step 4: Simplify right side
    2,170.98x = 3,523,962.66
  5. Step 5: Solve for x
    x = 3,523,962.66/2,170.98
  6. Step 6: Final answer
    x = 1,623.21

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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.