Home / 4,750.32-7,118.28-3,013.68

Finding the Fourth Proportional to 4,750.32, 7,118.28 and 3,013.68

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Solution

The fourth proportional to 4,750.32, 7,118.28 and 3,013.68 is: 4,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.32 : 7,118.28 = 3,013.68 : x
  2. Step 2: Convert to fraction form
    4,750.32/7,118.28 = 3,013.68/x
  3. Step 3: Cross multiply
    4,750.32x = 7,118.28 × 3,013.68
  4. Step 4: Simplify right side
    4,750.32x = 21,452,218.07
  5. Step 5: Solve for x
    x = 21,452,218.07/4,750.32
  6. Step 6: Final answer
    x = 4,515.95

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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.