Home / 5,971.37-8,221.67-5,417.79

Finding the Fourth Proportional to 5,971.37, 8,221.67 and 5,417.79

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Solution

The fourth proportional to 5,971.37, 8,221.67 and 5,417.79 is: 7,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.37 : 8,221.67 = 5,417.79 : x
  2. Step 2: Convert to fraction form
    5,971.37/8,221.67 = 5,417.79/x
  3. Step 3: Cross multiply
    5,971.37x = 8,221.67 × 5,417.79
  4. Step 4: Simplify right side
    5,971.37x = 44,543,243.91
  5. Step 5: Solve for x
    x = 44,543,243.91/5,971.37
  6. Step 6: Final answer
    x = 7,459.47

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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.