Home / 4,095.32-5,649.52-2,678.40

Finding the Fourth Proportional to 4,095.32, 5,649.52 and 2,678.40

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Solution

The fourth proportional to 4,095.32, 5,649.52 and 2,678.40 is: 3,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.32 : 5,649.52 = 2,678.40 : x
  2. Step 2: Convert to fraction form
    4,095.32/5,649.52 = 2,678.40/x
  3. Step 3: Cross multiply
    4,095.32x = 5,649.52 × 2,678.40
  4. Step 4: Simplify right side
    4,095.32x = 15,131,674.37
  5. Step 5: Solve for x
    x = 15,131,674.37/4,095.32
  6. Step 6: Final answer
    x = 3,694.87

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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.