Home / 4,176.52-6,264.70-1,678.28

Finding the Fourth Proportional to 4,176.52, 6,264.70 and 1,678.28

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Solution

The fourth proportional to 4,176.52, 6,264.70 and 1,678.28 is: 2,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.52 : 6,264.70 = 1,678.28 : x
  2. Step 2: Convert to fraction form
    4,176.52/6,264.70 = 1,678.28/x
  3. Step 3: Cross multiply
    4,176.52x = 6,264.70 × 1,678.28
  4. Step 4: Simplify right side
    4,176.52x = 10,513,885.20
  5. Step 5: Solve for x
    x = 10,513,885.20/4,176.52
  6. Step 6: Final answer
    x = 2,517.38

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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.