Home / 4,176.16-6,264.88-1,983.68

Finding the Fourth Proportional to 4,176.16, 6,264.88 and 1,983.68

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Solution

The fourth proportional to 4,176.16, 6,264.88 and 1,983.68 is: 2,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.16 : 6,264.88 = 1,983.68 : x
  2. Step 2: Convert to fraction form
    4,176.16/6,264.88 = 1,983.68/x
  3. Step 3: Cross multiply
    4,176.16x = 6,264.88 × 1,983.68
  4. Step 4: Simplify right side
    4,176.16x = 12,427,517.16
  5. Step 5: Solve for x
    x = 12,427,517.16/4,176.16
  6. Step 6: Final answer
    x = 2,975.82

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1.5x scale

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.