Home / 3,992.23-5,509.52-2,313.10

Finding the Fourth Proportional to 3,992.23, 5,509.52 and 2,313.10

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Solution

The fourth proportional to 3,992.23, 5,509.52 and 2,313.10 is: 3,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.23 : 5,509.52 = 2,313.10 : x
  2. Step 2: Convert to fraction form
    3,992.23/5,509.52 = 2,313.10/x
  3. Step 3: Cross multiply
    3,992.23x = 5,509.52 × 2,313.10
  4. Step 4: Simplify right side
    3,992.23x = 12,744,070.71
  5. Step 5: Solve for x
    x = 12,744,070.71/3,992.23
  6. Step 6: Final answer
    x = 3,192.22

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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.