Home / 5,407.19-8,105.15-2,284.59

Finding the Fourth Proportional to 5,407.19, 8,105.15 and 2,284.59

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Solution

The fourth proportional to 5,407.19, 8,105.15 and 2,284.59 is: 3,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.19 : 8,105.15 = 2,284.59 : x
  2. Step 2: Convert to fraction form
    5,407.19/8,105.15 = 2,284.59/x
  3. Step 3: Cross multiply
    5,407.19x = 8,105.15 × 2,284.59
  4. Step 4: Simplify right side
    5,407.19x = 18,516,950.35
  5. Step 5: Solve for x
    x = 18,516,950.35/5,407.19
  6. Step 6: Final answer
    x = 3,424.51

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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.