Home / 4,070.72-6,106.20-1,148.72

Finding the Fourth Proportional to 4,070.72, 6,106.20 and 1,148.72

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Solution

The fourth proportional to 4,070.72, 6,106.20 and 1,148.72 is: 1,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.72 : 6,106.20 = 1,148.72 : x
  2. Step 2: Convert to fraction form
    4,070.72/6,106.20 = 1,148.72/x
  3. Step 3: Cross multiply
    4,070.72x = 6,106.20 × 1,148.72
  4. Step 4: Simplify right side
    4,070.72x = 7,014,314.06
  5. Step 5: Solve for x
    x = 7,014,314.06/4,070.72
  6. Step 6: Final answer
    x = 1,723.11

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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.