Home / 7,730.46-10,676.91-5,089.68

Finding the Fourth Proportional to 7,730.46, 10,676.91 and 5,089.68

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Solution

The fourth proportional to 7,730.46, 10,676.91 and 5,089.68 is: 7,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.46 : 10,676.91 = 5,089.68 : x
  2. Step 2: Convert to fraction form
    7,730.46/10,676.91 = 5,089.68/x
  3. Step 3: Cross multiply
    7,730.46x = 10,676.91 × 5,089.68
  4. Step 4: Simplify right side
    7,730.46x = 54,342,055.29
  5. Step 5: Solve for x
    x = 54,342,055.29/7,730.46
  6. Step 6: Final answer
    x = 7,029.60

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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.