Home / 5,291.31-7,285.36-4,493.06

Finding the Fourth Proportional to 5,291.31, 7,285.36 and 4,493.06

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Solution

The fourth proportional to 5,291.31, 7,285.36 and 4,493.06 is: 6,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.31 : 7,285.36 = 4,493.06 : x
  2. Step 2: Convert to fraction form
    5,291.31/7,285.36 = 4,493.06/x
  3. Step 3: Cross multiply
    5,291.31x = 7,285.36 × 4,493.06
  4. Step 4: Simplify right side
    5,291.31x = 32,733,500.71
  5. Step 5: Solve for x
    x = 32,733,500.71/5,291.31
  6. Step 6: Final answer
    x = 6,186.28

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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.