Home / 4,282.10-6,423.96-1,973.60

Finding the Fourth Proportional to 4,282.10, 6,423.96 and 1,973.60

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Solution

The fourth proportional to 4,282.10, 6,423.96 and 1,973.60 is: 2,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.10 : 6,423.96 = 1,973.60 : x
  2. Step 2: Convert to fraction form
    4,282.10/6,423.96 = 1,973.60/x
  3. Step 3: Cross multiply
    4,282.10x = 6,423.96 × 1,973.60
  4. Step 4: Simplify right side
    4,282.10x = 12,678,326.83
  5. Step 5: Solve for x
    x = 12,678,326.83/4,282.10
  6. Step 6: Final answer
    x = 2,960.77

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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.