Home / 1,574.44-2,356.80-1,440.04

Finding the Fourth Proportional to 1,574.44, 2,356.80 and 1,440.04

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Solution

The fourth proportional to 1,574.44, 2,356.80 and 1,440.04 is: 2,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.44 : 2,356.80 = 1,440.04 : x
  2. Step 2: Convert to fraction form
    1,574.44/2,356.80 = 1,440.04/x
  3. Step 3: Cross multiply
    1,574.44x = 2,356.80 × 1,440.04
  4. Step 4: Simplify right side
    1,574.44x = 3,393,886.27
  5. Step 5: Solve for x
    x = 3,393,886.27/1,574.44
  6. Step 6: Final answer
    x = 2,155.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.