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Finding the Fourth Proportional to 2,358.75, 3,253.17 and 1,611.93

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Solution

The fourth proportional to 2,358.75, 3,253.17 and 1,611.93 is: 2,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.75 : 3,253.17 = 1,611.93 : x
  2. Step 2: Convert to fraction form
    2,358.75/3,253.17 = 1,611.93/x
  3. Step 3: Cross multiply
    2,358.75x = 3,253.17 × 1,611.93
  4. Step 4: Simplify right side
    2,358.75x = 5,243,882.32
  5. Step 5: Solve for x
    x = 5,243,882.32/2,358.75
  6. Step 6: Final answer
    x = 2,223.16

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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.