Home / 7,258.92-10,017.16-4,115.04

Finding the Fourth Proportional to 7,258.92, 10,017.16 and 4,115.04

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Solution

The fourth proportional to 7,258.92, 10,017.16 and 4,115.04 is: 5,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.92 : 10,017.16 = 4,115.04 : x
  2. Step 2: Convert to fraction form
    7,258.92/10,017.16 = 4,115.04/x
  3. Step 3: Cross multiply
    7,258.92x = 10,017.16 × 4,115.04
  4. Step 4: Simplify right side
    7,258.92x = 41,221,014.09
  5. Step 5: Solve for x
    x = 41,221,014.09/7,258.92
  6. Step 6: Final answer
    x = 5,678.67

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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.