Home / 5,448.38-7,555.12-5,263.70

Finding the Fourth Proportional to 5,448.38, 7,555.12 and 5,263.70

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Solution

The fourth proportional to 5,448.38, 7,555.12 and 5,263.70 is: 7,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.38 : 7,555.12 = 5,263.70 : x
  2. Step 2: Convert to fraction form
    5,448.38/7,555.12 = 5,263.70/x
  3. Step 3: Cross multiply
    5,448.38x = 7,555.12 × 5,263.70
  4. Step 4: Simplify right side
    5,448.38x = 39,767,858.83
  5. Step 5: Solve for x
    x = 39,767,858.83/5,448.38
  6. Step 6: Final answer
    x = 7,299.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.