Home / 2,736.02-4,085.45-2,174.40

Finding the Fourth Proportional to 2,736.02, 4,085.45 and 2,174.40

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Solution

The fourth proportional to 2,736.02, 4,085.45 and 2,174.40 is: 3,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.02 : 4,085.45 = 2,174.40 : x
  2. Step 2: Convert to fraction form
    2,736.02/4,085.45 = 2,174.40/x
  3. Step 3: Cross multiply
    2,736.02x = 4,085.45 × 2,174.40
  4. Step 4: Simplify right side
    2,736.02x = 8,883,391.61
  5. Step 5: Solve for x
    x = 8,883,391.61/2,736.02
  6. Step 6: Final answer
    x = 3,246.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.