Home / 7,048.29-10,572.95-2,118.31

Finding the Fourth Proportional to 7,048.29, 10,572.95 and 2,118.31

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Solution

The fourth proportional to 7,048.29, 10,572.95 and 2,118.31 is: 3,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.29 : 10,572.95 = 2,118.31 : x
  2. Step 2: Convert to fraction form
    7,048.29/10,572.95 = 2,118.31/x
  3. Step 3: Cross multiply
    7,048.29x = 10,572.95 × 2,118.31
  4. Step 4: Simplify right side
    7,048.29x = 22,396,785.71
  5. Step 5: Solve for x
    x = 22,396,785.71/7,048.29
  6. Step 6: Final answer
    x = 3,177.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.