Home / 5,587.14-8,381.79-1,889.97

Finding the Fourth Proportional to 5,587.14, 8,381.79 and 1,889.97

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Solution

The fourth proportional to 5,587.14, 8,381.79 and 1,889.97 is: 2,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.14 : 8,381.79 = 1,889.97 : x
  2. Step 2: Convert to fraction form
    5,587.14/8,381.79 = 1,889.97/x
  3. Step 3: Cross multiply
    5,587.14x = 8,381.79 × 1,889.97
  4. Step 4: Simplify right side
    5,587.14x = 15,841,300.21
  5. Step 5: Solve for x
    x = 15,841,300.21/5,587.14
  6. Step 6: Final answer
    x = 2,835.31

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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.