Home / 3,125.91-4,315.33-2,416.16

Finding the Fourth Proportional to 3,125.91, 4,315.33 and 2,416.16

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Solution

The fourth proportional to 3,125.91, 4,315.33 and 2,416.16 is: 3,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.91 : 4,315.33 = 2,416.16 : x
  2. Step 2: Convert to fraction form
    3,125.91/4,315.33 = 2,416.16/x
  3. Step 3: Cross multiply
    3,125.91x = 4,315.33 × 2,416.16
  4. Step 4: Simplify right side
    3,125.91x = 10,426,511.75
  5. Step 5: Solve for x
    x = 10,426,511.75/3,125.91
  6. Step 6: Final answer
    x = 3,335.51

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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.