Home / 5,400.81-7,453.22-3,010.91

Finding the Fourth Proportional to 5,400.81, 7,453.22 and 3,010.91

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Solution

The fourth proportional to 5,400.81, 7,453.22 and 3,010.91 is: 4,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.81 : 7,453.22 = 3,010.91 : x
  2. Step 2: Convert to fraction form
    5,400.81/7,453.22 = 3,010.91/x
  3. Step 3: Cross multiply
    5,400.81x = 7,453.22 × 3,010.91
  4. Step 4: Simplify right side
    5,400.81x = 22,440,922.31
  5. Step 5: Solve for x
    x = 22,440,922.31/5,400.81
  6. Step 6: Final answer
    x = 4,155.10

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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.