Home / 5,718.63-8,574.56-1,768.72

Finding the Fourth Proportional to 5,718.63, 8,574.56 and 1,768.72

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Solution

The fourth proportional to 5,718.63, 8,574.56 and 1,768.72 is: 2,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.63 : 8,574.56 = 1,768.72 : x
  2. Step 2: Convert to fraction form
    5,718.63/8,574.56 = 1,768.72/x
  3. Step 3: Cross multiply
    5,718.63x = 8,574.56 × 1,768.72
  4. Step 4: Simplify right side
    5,718.63x = 15,165,983.22
  5. Step 5: Solve for x
    x = 15,165,983.22/5,718.63
  6. Step 6: Final answer
    x = 2,652.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.