Home / 4,927.30-7,386.32-2,151.70

Finding the Fourth Proportional to 4,927.30, 7,386.32 and 2,151.70

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Solution

The fourth proportional to 4,927.30, 7,386.32 and 2,151.70 is: 3,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.30 : 7,386.32 = 2,151.70 : x
  2. Step 2: Convert to fraction form
    4,927.30/7,386.32 = 2,151.70/x
  3. Step 3: Cross multiply
    4,927.30x = 7,386.32 × 2,151.70
  4. Step 4: Simplify right side
    4,927.30x = 15,893,131.66
  5. Step 5: Solve for x
    x = 15,893,131.66/4,927.30
  6. Step 6: Final answer
    x = 3,225.53

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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.