Home / 5,618.36-8,427.58-2,497.64

Finding the Fourth Proportional to 5,618.36, 8,427.58 and 2,497.64

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Solution

The fourth proportional to 5,618.36, 8,427.58 and 2,497.64 is: 3,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.36 : 8,427.58 = 2,497.64 : x
  2. Step 2: Convert to fraction form
    5,618.36/8,427.58 = 2,497.64/x
  3. Step 3: Cross multiply
    5,618.36x = 8,427.58 × 2,497.64
  4. Step 4: Simplify right side
    5,618.36x = 21,049,018.77
  5. Step 5: Solve for x
    x = 21,049,018.77/5,618.36
  6. Step 6: Final answer
    x = 3,746.47

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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.