Home / 4,280.13-5,906.58-2,391.68

Finding the Fourth Proportional to 4,280.13, 5,906.58 and 2,391.68

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Solution

The fourth proportional to 4,280.13, 5,906.58 and 2,391.68 is: 3,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.13 : 5,906.58 = 2,391.68 : x
  2. Step 2: Convert to fraction form
    4,280.13/5,906.58 = 2,391.68/x
  3. Step 3: Cross multiply
    4,280.13x = 5,906.58 × 2,391.68
  4. Step 4: Simplify right side
    4,280.13x = 14,126,649.25
  5. Step 5: Solve for x
    x = 14,126,649.25/4,280.13
  6. Step 6: Final answer
    x = 3,300.52

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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.