Home / 2,470.46-3,409.23-1,351.39

Finding the Fourth Proportional to 2,470.46, 3,409.23 and 1,351.39

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Solution

The fourth proportional to 2,470.46, 3,409.23 and 1,351.39 is: 1,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.46 : 3,409.23 = 1,351.39 : x
  2. Step 2: Convert to fraction form
    2,470.46/3,409.23 = 1,351.39/x
  3. Step 3: Cross multiply
    2,470.46x = 3,409.23 × 1,351.39
  4. Step 4: Simplify right side
    2,470.46x = 4,607,199.33
  5. Step 5: Solve for x
    x = 4,607,199.33/2,470.46
  6. Step 6: Final answer
    x = 1,864.92

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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.