Home / 2,459.61-3,390.94-2,383.17

Finding the Fourth Proportional to 2,459.61, 3,390.94 and 2,383.17

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Solution

The fourth proportional to 2,459.61, 3,390.94 and 2,383.17 is: 3,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.61 : 3,390.94 = 2,383.17 : x
  2. Step 2: Convert to fraction form
    2,459.61/3,390.94 = 2,383.17/x
  3. Step 3: Cross multiply
    2,459.61x = 3,390.94 × 2,383.17
  4. Step 4: Simplify right side
    2,459.61x = 8,081,186.48
  5. Step 5: Solve for x
    x = 8,081,186.48/2,459.61
  6. Step 6: Final answer
    x = 3,285.56

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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.