Home / 7,115.03-9,815.25-4,599.29

Finding the Fourth Proportional to 7,115.03, 9,815.25 and 4,599.29

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Solution

The fourth proportional to 7,115.03, 9,815.25 and 4,599.29 is: 6,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.03 : 9,815.25 = 4,599.29 : x
  2. Step 2: Convert to fraction form
    7,115.03/9,815.25 = 4,599.29/x
  3. Step 3: Cross multiply
    7,115.03x = 9,815.25 × 4,599.29
  4. Step 4: Simplify right side
    7,115.03x = 45,143,181.17
  5. Step 5: Solve for x
    x = 45,143,181.17/7,115.03
  6. Step 6: Final answer
    x = 6,344.76

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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.