Home / 3,074.25-4,242.83-1,748.16

Finding the Fourth Proportional to 3,074.25, 4,242.83 and 1,748.16

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Solution

The fourth proportional to 3,074.25, 4,242.83 and 1,748.16 is: 2,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.25 : 4,242.83 = 1,748.16 : x
  2. Step 2: Convert to fraction form
    3,074.25/4,242.83 = 1,748.16/x
  3. Step 3: Cross multiply
    3,074.25x = 4,242.83 × 1,748.16
  4. Step 4: Simplify right side
    3,074.25x = 7,417,136.95
  5. Step 5: Solve for x
    x = 7,417,136.95/3,074.25
  6. Step 6: Final answer
    x = 2,412.67

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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.