Home / 4,190.13-5,784.21-2,870.64

Finding the Fourth Proportional to 4,190.13, 5,784.21 and 2,870.64

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Solution

The fourth proportional to 4,190.13, 5,784.21 and 2,870.64 is: 3,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.13 : 5,784.21 = 2,870.64 : x
  2. Step 2: Convert to fraction form
    4,190.13/5,784.21 = 2,870.64/x
  3. Step 3: Cross multiply
    4,190.13x = 5,784.21 × 2,870.64
  4. Step 4: Simplify right side
    4,190.13x = 16,604,384.59
  5. Step 5: Solve for x
    x = 16,604,384.59/4,190.13
  6. Step 6: Final answer
    x = 3,962.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.