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Finding the Fourth Proportional to 1,751.81, 2,422.11 and 1,674.35

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Solution

The fourth proportional to 1,751.81, 2,422.11 and 1,674.35 is: 2,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.81 : 2,422.11 = 1,674.35 : x
  2. Step 2: Convert to fraction form
    1,751.81/2,422.11 = 1,674.35/x
  3. Step 3: Cross multiply
    1,751.81x = 2,422.11 × 1,674.35
  4. Step 4: Simplify right side
    1,751.81x = 4,055,459.88
  5. Step 5: Solve for x
    x = 4,055,459.88/1,751.81
  6. Step 6: Final answer
    x = 2,315.01

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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.