Home / 5,566.48-7,681.64-3,208.72

Finding the Fourth Proportional to 5,566.48, 7,681.64 and 3,208.72

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Solution

The fourth proportional to 5,566.48, 7,681.64 and 3,208.72 is: 4,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.48 : 7,681.64 = 3,208.72 : x
  2. Step 2: Convert to fraction form
    5,566.48/7,681.64 = 3,208.72/x
  3. Step 3: Cross multiply
    5,566.48x = 7,681.64 × 3,208.72
  4. Step 4: Simplify right side
    5,566.48x = 24,648,231.90
  5. Step 5: Solve for x
    x = 24,648,231.90/5,566.48
  6. Step 6: Final answer
    x = 4,427.97

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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.