Home / 2,943.20-4,060.72-1,701.28

Finding the Fourth Proportional to 2,943.20, 4,060.72 and 1,701.28

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Solution

The fourth proportional to 2,943.20, 4,060.72 and 1,701.28 is: 2,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.20 : 4,060.72 = 1,701.28 : x
  2. Step 2: Convert to fraction form
    2,943.20/4,060.72 = 1,701.28/x
  3. Step 3: Cross multiply
    2,943.20x = 4,060.72 × 1,701.28
  4. Step 4: Simplify right side
    2,943.20x = 6,908,421.72
  5. Step 5: Solve for x
    x = 6,908,421.72/2,943.20
  6. Step 6: Final answer
    x = 2,347.25

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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.