Home / 3,483.24-4,806.84-1,911.30

Finding the Fourth Proportional to 3,483.24, 4,806.84 and 1,911.30

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Solution

The fourth proportional to 3,483.24, 4,806.84 and 1,911.30 is: 2,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.24 : 4,806.84 = 1,911.30 : x
  2. Step 2: Convert to fraction form
    3,483.24/4,806.84 = 1,911.30/x
  3. Step 3: Cross multiply
    3,483.24x = 4,806.84 × 1,911.30
  4. Step 4: Simplify right side
    3,483.24x = 9,187,313.29
  5. Step 5: Solve for x
    x = 9,187,313.29/3,483.24
  6. Step 6: Final answer
    x = 2,637.58

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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.