Home / 2,470.94-3,409.26-1,475.78

Finding the Fourth Proportional to 2,470.94, 3,409.26 and 1,475.78

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Solution

The fourth proportional to 2,470.94, 3,409.26 and 1,475.78 is: 2,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.94 : 3,409.26 = 1,475.78 : x
  2. Step 2: Convert to fraction form
    2,470.94/3,409.26 = 1,475.78/x
  3. Step 3: Cross multiply
    2,470.94x = 3,409.26 × 1,475.78
  4. Step 4: Simplify right side
    2,470.94x = 5,031,317.72
  5. Step 5: Solve for x
    x = 5,031,317.72/2,470.94
  6. Step 6: Final answer
    x = 2,036.20

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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.