Home / 5,076.30-7,615.76-1,955.47

Finding the Fourth Proportional to 5,076.30, 7,615.76 and 1,955.47

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Solution

The fourth proportional to 5,076.30, 7,615.76 and 1,955.47 is: 2,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.30 : 7,615.76 = 1,955.47 : x
  2. Step 2: Convert to fraction form
    5,076.30/7,615.76 = 1,955.47/x
  3. Step 3: Cross multiply
    5,076.30x = 7,615.76 × 1,955.47
  4. Step 4: Simplify right side
    5,076.30x = 14,892,386.38
  5. Step 5: Solve for x
    x = 14,892,386.38/5,076.30
  6. Step 6: Final answer
    x = 2,933.71

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1.5x scale

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.