Home / 5,900.47-8,139.54-3,883.57

Finding the Fourth Proportional to 5,900.47, 8,139.54 and 3,883.57

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Solution

The fourth proportional to 5,900.47, 8,139.54 and 3,883.57 is: 5,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.47 : 8,139.54 = 3,883.57 : x
  2. Step 2: Convert to fraction form
    5,900.47/8,139.54 = 3,883.57/x
  3. Step 3: Cross multiply
    5,900.47x = 8,139.54 × 3,883.57
  4. Step 4: Simplify right side
    5,900.47x = 31,610,473.36
  5. Step 5: Solve for x
    x = 31,610,473.36/5,900.47
  6. Step 6: Final answer
    x = 5,357.28

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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.