Home / 4,210.91-5,811.56-2,419.03

Finding the Fourth Proportional to 4,210.91, 5,811.56 and 2,419.03

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Solution

The fourth proportional to 4,210.91, 5,811.56 and 2,419.03 is: 3,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.91 : 5,811.56 = 2,419.03 : x
  2. Step 2: Convert to fraction form
    4,210.91/5,811.56 = 2,419.03/x
  3. Step 3: Cross multiply
    4,210.91x = 5,811.56 × 2,419.03
  4. Step 4: Simplify right side
    4,210.91x = 14,058,325.89
  5. Step 5: Solve for x
    x = 14,058,325.89/4,210.91
  6. Step 6: Final answer
    x = 3,338.55

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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.