Home / 7,576.07-10,453.80-4,218.87

Finding the Fourth Proportional to 7,576.07, 10,453.80 and 4,218.87

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Solution

The fourth proportional to 7,576.07, 10,453.80 and 4,218.87 is: 5,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.07 : 10,453.80 = 4,218.87 : x
  2. Step 2: Convert to fraction form
    7,576.07/10,453.80 = 4,218.87/x
  3. Step 3: Cross multiply
    7,576.07x = 10,453.80 × 4,218.87
  4. Step 4: Simplify right side
    7,576.07x = 44,103,223.21
  5. Step 5: Solve for x
    x = 44,103,223.21/7,576.07
  6. Step 6: Final answer
    x = 5,821.39

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1.5x scale

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.