Home / 4,270.64-5,884.16-2,870.96

Finding the Fourth Proportional to 4,270.64, 5,884.16 and 2,870.96

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Solution

The fourth proportional to 4,270.64, 5,884.16 and 2,870.96 is: 3,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.64 : 5,884.16 = 2,870.96 : x
  2. Step 2: Convert to fraction form
    4,270.64/5,884.16 = 2,870.96/x
  3. Step 3: Cross multiply
    4,270.64x = 5,884.16 × 2,870.96
  4. Step 4: Simplify right side
    4,270.64x = 16,893,187.99
  5. Step 5: Solve for x
    x = 16,893,187.99/4,270.64
  6. Step 6: Final answer
    x = 3,955.66

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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.