Home / 3,159.24-4,354.50-2,894.52

Finding the Fourth Proportional to 3,159.24, 4,354.50 and 2,894.52

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Solution

The fourth proportional to 3,159.24, 4,354.50 and 2,894.52 is: 3,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.24 : 4,354.50 = 2,894.52 : x
  2. Step 2: Convert to fraction form
    3,159.24/4,354.50 = 2,894.52/x
  3. Step 3: Cross multiply
    3,159.24x = 4,354.50 × 2,894.52
  4. Step 4: Simplify right side
    3,159.24x = 12,604,187.34
  5. Step 5: Solve for x
    x = 12,604,187.34/3,159.24
  6. Step 6: Final answer
    x = 3,989.63

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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.