Home / 7,288.71-10,058.31-4,144.68

Finding the Fourth Proportional to 7,288.71, 10,058.31 and 4,144.68

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Solution

The fourth proportional to 7,288.71, 10,058.31 and 4,144.68 is: 5,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.71 : 10,058.31 = 4,144.68 : x
  2. Step 2: Convert to fraction form
    7,288.71/10,058.31 = 4,144.68/x
  3. Step 3: Cross multiply
    7,288.71x = 10,058.31 × 4,144.68
  4. Step 4: Simplify right side
    7,288.71x = 41,688,476.29
  5. Step 5: Solve for x
    x = 41,688,476.29/7,288.71
  6. Step 6: Final answer
    x = 5,719.60

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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.