Home / 4,070.31-6,105.80-1,148.64

Finding the Fourth Proportional to 4,070.31, 6,105.80 and 1,148.64

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Solution

The fourth proportional to 4,070.31, 6,105.80 and 1,148.64 is: 1,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.31 : 6,105.80 = 1,148.64 : x
  2. Step 2: Convert to fraction form
    4,070.31/6,105.80 = 1,148.64/x
  3. Step 3: Cross multiply
    4,070.31x = 6,105.80 × 1,148.64
  4. Step 4: Simplify right side
    4,070.31x = 7,013,366.11
  5. Step 5: Solve for x
    x = 7,013,366.11/4,070.31
  6. Step 6: Final answer
    x = 1,723.05

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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.