Home / 5,315.83-7,328.24-3,739.03

Finding the Fourth Proportional to 5,315.83, 7,328.24 and 3,739.03

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Solution

The fourth proportional to 5,315.83, 7,328.24 and 3,739.03 is: 5,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.83 : 7,328.24 = 3,739.03 : x
  2. Step 2: Convert to fraction form
    5,315.83/7,328.24 = 3,739.03/x
  3. Step 3: Cross multiply
    5,315.83x = 7,328.24 × 3,739.03
  4. Step 4: Simplify right side
    5,315.83x = 27,400,486.21
  5. Step 5: Solve for x
    x = 27,400,486.21/5,315.83
  6. Step 6: Final answer
    x = 5,154.51

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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.