Home / 5,673.24-8,509.76-2,340.80

Finding the Fourth Proportional to 5,673.24, 8,509.76 and 2,340.80

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Solution

The fourth proportional to 5,673.24, 8,509.76 and 2,340.80 is: 3,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.24 : 8,509.76 = 2,340.80 : x
  2. Step 2: Convert to fraction form
    5,673.24/8,509.76 = 2,340.80/x
  3. Step 3: Cross multiply
    5,673.24x = 8,509.76 × 2,340.80
  4. Step 4: Simplify right side
    5,673.24x = 19,919,646.21
  5. Step 5: Solve for x
    x = 19,919,646.21/5,673.24
  6. Step 6: Final answer
    x = 3,511.16

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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.