Home / 7,004.17-9,665.76-3,860.36

Finding the Fourth Proportional to 7,004.17, 9,665.76 and 3,860.36

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Solution

The fourth proportional to 7,004.17, 9,665.76 and 3,860.36 is: 5,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.17 : 9,665.76 = 3,860.36 : x
  2. Step 2: Convert to fraction form
    7,004.17/9,665.76 = 3,860.36/x
  3. Step 3: Cross multiply
    7,004.17x = 9,665.76 × 3,860.36
  4. Step 4: Simplify right side
    7,004.17x = 37,313,283.10
  5. Step 5: Solve for x
    x = 37,313,283.10/7,004.17
  6. Step 6: Final answer
    x = 5,327.29

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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.