Home / 2,358.89-3,257.46-1,521.56

Finding the Fourth Proportional to 2,358.89, 3,257.46 and 1,521.56

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Solution

The fourth proportional to 2,358.89, 3,257.46 and 1,521.56 is: 2,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.89 : 3,257.46 = 1,521.56 : x
  2. Step 2: Convert to fraction form
    2,358.89/3,257.46 = 1,521.56/x
  3. Step 3: Cross multiply
    2,358.89x = 3,257.46 × 1,521.56
  4. Step 4: Simplify right side
    2,358.89x = 4,956,420.84
  5. Step 5: Solve for x
    x = 4,956,420.84/2,358.89
  6. Step 6: Final answer
    x = 2,101.17

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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.