Home / 4,140.54-5,713.78-2,370.90

Finding the Fourth Proportional to 4,140.54, 5,713.78 and 2,370.90

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Solution

The fourth proportional to 4,140.54, 5,713.78 and 2,370.90 is: 3,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.54 : 5,713.78 = 2,370.90 : x
  2. Step 2: Convert to fraction form
    4,140.54/5,713.78 = 2,370.90/x
  3. Step 3: Cross multiply
    4,140.54x = 5,713.78 × 2,370.90
  4. Step 4: Simplify right side
    4,140.54x = 13,546,801.00
  5. Step 5: Solve for x
    x = 13,546,801.00/4,140.54
  6. Step 6: Final answer
    x = 3,271.75

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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.