Home / 5,888.48-8,121.40-3,873.96

Finding the Fourth Proportional to 5,888.48, 8,121.40 and 3,873.96

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Solution

The fourth proportional to 5,888.48, 8,121.40 and 3,873.96 is: 5,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.48 : 8,121.40 = 3,873.96 : x
  2. Step 2: Convert to fraction form
    5,888.48/8,121.40 = 3,873.96/x
  3. Step 3: Cross multiply
    5,888.48x = 8,121.40 × 3,873.96
  4. Step 4: Simplify right side
    5,888.48x = 31,461,978.74
  5. Step 5: Solve for x
    x = 31,461,978.74/5,888.48
  6. Step 6: Final answer
    x = 5,342.97

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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.