Home / 7,535.74-10,399.58-4,178.88

Finding the Fourth Proportional to 7,535.74, 10,399.58 and 4,178.88

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Solution

The fourth proportional to 7,535.74, 10,399.58 and 4,178.88 is: 5,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.74 : 10,399.58 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    7,535.74/10,399.58 = 4,178.88/x
  3. Step 3: Cross multiply
    7,535.74x = 10,399.58 × 4,178.88
  4. Step 4: Simplify right side
    7,535.74x = 43,458,596.87
  5. Step 5: Solve for x
    x = 43,458,596.87/7,535.74
  6. Step 6: Final answer
    x = 5,767.00

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Half scale
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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.