Home / 2,315.03-3,470.40-1,574.19

Finding the Fourth Proportional to 2,315.03, 3,470.40 and 1,574.19

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Solution

The fourth proportional to 2,315.03, 3,470.40 and 1,574.19 is: 2,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.03 : 3,470.40 = 1,574.19 : x
  2. Step 2: Convert to fraction form
    2,315.03/3,470.40 = 1,574.19/x
  3. Step 3: Cross multiply
    2,315.03x = 3,470.40 × 1,574.19
  4. Step 4: Simplify right side
    2,315.03x = 5,463,068.98
  5. Step 5: Solve for x
    x = 5,463,068.98/2,315.03
  6. Step 6: Final answer
    x = 2,359.83

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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.