Home / 3,134.92-4,316.30-2,386.48

Finding the Fourth Proportional to 3,134.92, 4,316.30 and 2,386.48

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Solution

The fourth proportional to 3,134.92, 4,316.30 and 2,386.48 is: 3,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.92 : 4,316.30 = 2,386.48 : x
  2. Step 2: Convert to fraction form
    3,134.92/4,316.30 = 2,386.48/x
  3. Step 3: Cross multiply
    3,134.92x = 4,316.30 × 2,386.48
  4. Step 4: Simplify right side
    3,134.92x = 10,300,763.62
  5. Step 5: Solve for x
    x = 10,300,763.62/3,134.92
  6. Step 6: Final answer
    x = 3,285.81

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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.