Home / 2,373.46-3,275.36-1,311.29

Finding the Fourth Proportional to 2,373.46, 3,275.36 and 1,311.29

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Solution

The fourth proportional to 2,373.46, 3,275.36 and 1,311.29 is: 1,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.46 : 3,275.36 = 1,311.29 : x
  2. Step 2: Convert to fraction form
    2,373.46/3,275.36 = 1,311.29/x
  3. Step 3: Cross multiply
    2,373.46x = 3,275.36 × 1,311.29
  4. Step 4: Simplify right side
    2,373.46x = 4,294,955.82
  5. Step 5: Solve for x
    x = 4,294,955.82/2,373.46
  6. Step 6: Final answer
    x = 1,809.58

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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.