Home / 5,716.17-7,889.00-3,478.95

Finding the Fourth Proportional to 5,716.17, 7,889.00 and 3,478.95

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Solution

The fourth proportional to 5,716.17, 7,889.00 and 3,478.95 is: 4,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.17 : 7,889.00 = 3,478.95 : x
  2. Step 2: Convert to fraction form
    5,716.17/7,889.00 = 3,478.95/x
  3. Step 3: Cross multiply
    5,716.17x = 7,889.00 × 3,478.95
  4. Step 4: Simplify right side
    5,716.17x = 27,445,419.16
  5. Step 5: Solve for x
    x = 27,445,419.16/5,716.17
  6. Step 6: Final answer
    x = 4,801.37

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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.