Home / 3,189.17-4,401.08-1,862.63

Finding the Fourth Proportional to 3,189.17, 4,401.08 and 1,862.63

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Solution

The fourth proportional to 3,189.17, 4,401.08 and 1,862.63 is: 2,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.17 : 4,401.08 = 1,862.63 : x
  2. Step 2: Convert to fraction form
    3,189.17/4,401.08 = 1,862.63/x
  3. Step 3: Cross multiply
    3,189.17x = 4,401.08 × 1,862.63
  4. Step 4: Simplify right side
    3,189.17x = 8,197,566.29
  5. Step 5: Solve for x
    x = 8,197,566.29/3,189.17
  6. Step 6: Final answer
    x = 2,570.44

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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.