Home / 7,576.71-10,455.26-4,219.53

Finding the Fourth Proportional to 7,576.71, 10,455.26 and 4,219.53

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Solution

The fourth proportional to 7,576.71, 10,455.26 and 4,219.53 is: 5,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.71 : 10,455.26 = 4,219.53 : x
  2. Step 2: Convert to fraction form
    7,576.71/10,455.26 = 4,219.53/x
  3. Step 3: Cross multiply
    7,576.71x = 10,455.26 × 4,219.53
  4. Step 4: Simplify right side
    7,576.71x = 44,116,262.13
  5. Step 5: Solve for x
    x = 44,116,262.13/7,576.71
  6. Step 6: Final answer
    x = 5,822.61

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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.