Home / 5,665.56-7,818.54-3,427.68

Finding the Fourth Proportional to 5,665.56, 7,818.54 and 3,427.68

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Solution

The fourth proportional to 5,665.56, 7,818.54 and 3,427.68 is: 4,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.56 : 7,818.54 = 3,427.68 : x
  2. Step 2: Convert to fraction form
    5,665.56/7,818.54 = 3,427.68/x
  3. Step 3: Cross multiply
    5,665.56x = 7,818.54 × 3,427.68
  4. Step 4: Simplify right side
    5,665.56x = 26,799,453.19
  5. Step 5: Solve for x
    x = 26,799,453.19/5,665.56
  6. Step 6: Final answer
    x = 4,730.24

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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.