Home / 3,158.24-4,355.13-2,095.65

Finding the Fourth Proportional to 3,158.24, 4,355.13 and 2,095.65

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Solution

The fourth proportional to 3,158.24, 4,355.13 and 2,095.65 is: 2,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.24 : 4,355.13 = 2,095.65 : x
  2. Step 2: Convert to fraction form
    3,158.24/4,355.13 = 2,095.65/x
  3. Step 3: Cross multiply
    3,158.24x = 4,355.13 × 2,095.65
  4. Step 4: Simplify right side
    3,158.24x = 9,126,814.95
  5. Step 5: Solve for x
    x = 9,126,814.95/3,158.24
  6. Step 6: Final answer
    x = 2,889.84

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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.