Home / 3,125.15-4,315.94-2,703.48

Finding the Fourth Proportional to 3,125.15, 4,315.94 and 2,703.48

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Solution

The fourth proportional to 3,125.15, 4,315.94 and 2,703.48 is: 3,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.15 : 4,315.94 = 2,703.48 : x
  2. Step 2: Convert to fraction form
    3,125.15/4,315.94 = 2,703.48/x
  3. Step 3: Cross multiply
    3,125.15x = 4,315.94 × 2,703.48
  4. Step 4: Simplify right side
    3,125.15x = 11,668,057.47
  5. Step 5: Solve for x
    x = 11,668,057.47/3,125.15
  6. Step 6: Final answer
    x = 3,733.60

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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.