Home / 2,412.91-3,329.36-1,529.01

Finding the Fourth Proportional to 2,412.91, 3,329.36 and 1,529.01

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Solution

The fourth proportional to 2,412.91, 3,329.36 and 1,529.01 is: 2,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.91 : 3,329.36 = 1,529.01 : x
  2. Step 2: Convert to fraction form
    2,412.91/3,329.36 = 1,529.01/x
  3. Step 3: Cross multiply
    2,412.91x = 3,329.36 × 1,529.01
  4. Step 4: Simplify right side
    2,412.91x = 5,090,624.73
  5. Step 5: Solve for x
    x = 5,090,624.73/2,412.91
  6. Step 6: Final answer
    x = 2,109.74

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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.