Home / 5,051.99-7,578.39-1,542.29

Finding the Fourth Proportional to 5,051.99, 7,578.39 and 1,542.29

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Solution

The fourth proportional to 5,051.99, 7,578.39 and 1,542.29 is: 2,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.99 : 7,578.39 = 1,542.29 : x
  2. Step 2: Convert to fraction form
    5,051.99/7,578.39 = 1,542.29/x
  3. Step 3: Cross multiply
    5,051.99x = 7,578.39 × 1,542.29
  4. Step 4: Simplify right side
    5,051.99x = 11,688,037.22
  5. Step 5: Solve for x
    x = 11,688,037.22/5,051.99
  6. Step 6: Final answer
    x = 2,313.55

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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.