Home / 2,247.74-3,354.95-2,109.23

Finding the Fourth Proportional to 2,247.74, 3,354.95 and 2,109.23

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Solution

The fourth proportional to 2,247.74, 3,354.95 and 2,109.23 is: 3,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.74 : 3,354.95 = 2,109.23 : x
  2. Step 2: Convert to fraction form
    2,247.74/3,354.95 = 2,109.23/x
  3. Step 3: Cross multiply
    2,247.74x = 3,354.95 × 2,109.23
  4. Step 4: Simplify right side
    2,247.74x = 7,076,349.69
  5. Step 5: Solve for x
    x = 7,076,349.69/2,247.74
  6. Step 6: Final answer
    x = 3,148.21

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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.