Home / 5,556.14-7,663.20-3,877.01

Finding the Fourth Proportional to 5,556.14, 7,663.20 and 3,877.01

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Solution

The fourth proportional to 5,556.14, 7,663.20 and 3,877.01 is: 5,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.14 : 7,663.20 = 3,877.01 : x
  2. Step 2: Convert to fraction form
    5,556.14/7,663.20 = 3,877.01/x
  3. Step 3: Cross multiply
    5,556.14x = 7,663.20 × 3,877.01
  4. Step 4: Simplify right side
    5,556.14x = 29,710,303.03
  5. Step 5: Solve for x
    x = 29,710,303.03/5,556.14
  6. Step 6: Final answer
    x = 5,347.29

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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.