Home / 5,315.56-7,967.88-2,976.52

Finding the Fourth Proportional to 5,315.56, 7,967.88 and 2,976.52

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Solution

The fourth proportional to 5,315.56, 7,967.88 and 2,976.52 is: 4,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.56 : 7,967.88 = 2,976.52 : x
  2. Step 2: Convert to fraction form
    5,315.56/7,967.88 = 2,976.52/x
  3. Step 3: Cross multiply
    5,315.56x = 7,967.88 × 2,976.52
  4. Step 4: Simplify right side
    5,315.56x = 23,716,554.18
  5. Step 5: Solve for x
    x = 23,716,554.18/5,315.56
  6. Step 6: Final answer
    x = 4,461.72

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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.