Home / 4,182.32-6,270.28-1,407.30

Finding the Fourth Proportional to 4,182.32, 6,270.28 and 1,407.30

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Solution

The fourth proportional to 4,182.32, 6,270.28 and 1,407.30 is: 2,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.32 : 6,270.28 = 1,407.30 : x
  2. Step 2: Convert to fraction form
    4,182.32/6,270.28 = 1,407.30/x
  3. Step 3: Cross multiply
    4,182.32x = 6,270.28 × 1,407.30
  4. Step 4: Simplify right side
    4,182.32x = 8,824,165.04
  5. Step 5: Solve for x
    x = 8,824,165.04/4,182.32
  6. Step 6: Final answer
    x = 2,109.87

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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.