Home / 7,251.39-10,007.28-5,676.75

Finding the Fourth Proportional to 7,251.39, 10,007.28 and 5,676.75

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Solution

The fourth proportional to 7,251.39, 10,007.28 and 5,676.75 is: 7,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.39 : 10,007.28 = 5,676.75 : x
  2. Step 2: Convert to fraction form
    7,251.39/10,007.28 = 5,676.75/x
  3. Step 3: Cross multiply
    7,251.39x = 10,007.28 × 5,676.75
  4. Step 4: Simplify right side
    7,251.39x = 56,808,826.74
  5. Step 5: Solve for x
    x = 56,808,826.74/7,251.39
  6. Step 6: Final answer
    x = 7,834.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.