Home / 5,416.36-8,124.54-1,953.61

Finding the Fourth Proportional to 5,416.36, 8,124.54 and 1,953.61

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Solution

The fourth proportional to 5,416.36, 8,124.54 and 1,953.61 is: 2,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.36 : 8,124.54 = 1,953.61 : x
  2. Step 2: Convert to fraction form
    5,416.36/8,124.54 = 1,953.61/x
  3. Step 3: Cross multiply
    5,416.36x = 8,124.54 × 1,953.61
  4. Step 4: Simplify right side
    5,416.36x = 15,872,162.28
  5. Step 5: Solve for x
    x = 15,872,162.28/5,416.36
  6. Step 6: Final answer
    x = 2,930.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.