Home / 4,782.48-7,174.26-2,315.51

Finding the Fourth Proportional to 4,782.48, 7,174.26 and 2,315.51

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Solution

The fourth proportional to 4,782.48, 7,174.26 and 2,315.51 is: 3,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.48 : 7,174.26 = 2,315.51 : x
  2. Step 2: Convert to fraction form
    4,782.48/7,174.26 = 2,315.51/x
  3. Step 3: Cross multiply
    4,782.48x = 7,174.26 × 2,315.51
  4. Step 4: Simplify right side
    4,782.48x = 16,612,088.49
  5. Step 5: Solve for x
    x = 16,612,088.49/4,782.48
  6. Step 6: Final answer
    x = 3,473.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.