Home / 5,158.05-7,117.67-3,033.65

Finding the Fourth Proportional to 5,158.05, 7,117.67 and 3,033.65

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Solution

The fourth proportional to 5,158.05, 7,117.67 and 3,033.65 is: 4,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.05 : 7,117.67 = 3,033.65 : x
  2. Step 2: Convert to fraction form
    5,158.05/7,117.67 = 3,033.65/x
  3. Step 3: Cross multiply
    5,158.05x = 7,117.67 × 3,033.65
  4. Step 4: Simplify right side
    5,158.05x = 21,592,519.60
  5. Step 5: Solve for x
    x = 21,592,519.60/5,158.05
  6. Step 6: Final answer
    x = 4,186.18

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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.