Home / 5,158.69-7,118.99-3,062.81

Finding the Fourth Proportional to 5,158.69, 7,118.99 and 3,062.81

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Solution

The fourth proportional to 5,158.69, 7,118.99 and 3,062.81 is: 4,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.69 : 7,118.99 = 3,062.81 : x
  2. Step 2: Convert to fraction form
    5,158.69/7,118.99 = 3,062.81/x
  3. Step 3: Cross multiply
    5,158.69x = 7,118.99 × 3,062.81
  4. Step 4: Simplify right side
    5,158.69x = 21,804,127.73
  5. Step 5: Solve for x
    x = 21,804,127.73/5,158.69
  6. Step 6: Final answer
    x = 4,226.68

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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.