Home / 2,544.08-3,509.24-2,117.61

Finding the Fourth Proportional to 2,544.08, 3,509.24 and 2,117.61

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Solution

The fourth proportional to 2,544.08, 3,509.24 and 2,117.61 is: 2,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.08 : 3,509.24 = 2,117.61 : x
  2. Step 2: Convert to fraction form
    2,544.08/3,509.24 = 2,117.61/x
  3. Step 3: Cross multiply
    2,544.08x = 3,509.24 × 2,117.61
  4. Step 4: Simplify right side
    2,544.08x = 7,431,191.13
  5. Step 5: Solve for x
    x = 7,431,191.13/2,544.08
  6. Step 6: Final answer
    x = 2,920.98

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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.