Home / 7,358.83-10,155.04-4,172.04

Finding the Fourth Proportional to 7,358.83, 10,155.04 and 4,172.04

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Solution

The fourth proportional to 7,358.83, 10,155.04 and 4,172.04 is: 5,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.83 : 10,155.04 = 4,172.04 : x
  2. Step 2: Convert to fraction form
    7,358.83/10,155.04 = 4,172.04/x
  3. Step 3: Cross multiply
    7,358.83x = 10,155.04 × 4,172.04
  4. Step 4: Simplify right side
    7,358.83x = 42,367,222.65
  5. Step 5: Solve for x
    x = 42,367,222.65/7,358.83
  6. Step 6: Final answer
    x = 5,757.33

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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.