Home / 7,331.73-10,118.67-4,145.16

Finding the Fourth Proportional to 7,331.73, 10,118.67 and 4,145.16

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Solution

The fourth proportional to 7,331.73, 10,118.67 and 4,145.16 is: 5,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.73 : 10,118.67 = 4,145.16 : x
  2. Step 2: Convert to fraction form
    7,331.73/10,118.67 = 4,145.16/x
  3. Step 3: Cross multiply
    7,331.73x = 10,118.67 × 4,145.16
  4. Step 4: Simplify right side
    7,331.73x = 41,943,506.14
  5. Step 5: Solve for x
    x = 41,943,506.14/7,331.73
  6. Step 6: Final answer
    x = 5,720.82

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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.