Home / 2,192.12-3,288.66-653.24

Finding the Fourth Proportional to 2,192.12, 3,288.66 and 653.24

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Solution

The fourth proportional to 2,192.12, 3,288.66 and 653.24 is: 980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.12 : 3,288.66 = 653.24 : x
  2. Step 2: Convert to fraction form
    2,192.12/3,288.66 = 653.24/x
  3. Step 3: Cross multiply
    2,192.12x = 3,288.66 × 653.24
  4. Step 4: Simplify right side
    2,192.12x = 2,148,284.26
  5. Step 5: Solve for x
    x = 2,148,284.26/2,192.12
  6. Step 6: Final answer
    x = 980.00

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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.