Home / 2,412.48-3,329.26-1,417.78

Finding the Fourth Proportional to 2,412.48, 3,329.26 and 1,417.78

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Solution

The fourth proportional to 2,412.48, 3,329.26 and 1,417.78 is: 1,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.48 : 3,329.26 = 1,417.78 : x
  2. Step 2: Convert to fraction form
    2,412.48/3,329.26 = 1,417.78/x
  3. Step 3: Cross multiply
    2,412.48x = 3,329.26 × 1,417.78
  4. Step 4: Simplify right side
    2,412.48x = 4,720,158.24
  5. Step 5: Solve for x
    x = 4,720,158.24/2,412.48
  6. Step 6: Final answer
    x = 1,956.56

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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.