Home / 5,930.76-8,188.26-3,807.18

Finding the Fourth Proportional to 5,930.76, 8,188.26 and 3,807.18

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Solution

The fourth proportional to 5,930.76, 8,188.26 and 3,807.18 is: 5,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.76 : 8,188.26 = 3,807.18 : x
  2. Step 2: Convert to fraction form
    5,930.76/8,188.26 = 3,807.18/x
  3. Step 3: Cross multiply
    5,930.76x = 8,188.26 × 3,807.18
  4. Step 4: Simplify right side
    5,930.76x = 31,174,179.71
  5. Step 5: Solve for x
    x = 31,174,179.71/5,930.76
  6. Step 6: Final answer
    x = 5,256.35

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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.