Home / 7,535.01-10,399.39-4,178.57

Finding the Fourth Proportional to 7,535.01, 10,399.39 and 4,178.57

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Solution

The fourth proportional to 7,535.01, 10,399.39 and 4,178.57 is: 5,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.01 : 10,399.39 = 4,178.57 : x
  2. Step 2: Convert to fraction form
    7,535.01/10,399.39 = 4,178.57/x
  3. Step 3: Cross multiply
    7,535.01x = 10,399.39 × 4,178.57
  4. Step 4: Simplify right side
    7,535.01x = 43,454,579.07
  5. Step 5: Solve for x
    x = 43,454,579.07/7,535.01
  6. Step 6: Final answer
    x = 5,767.02

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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.