Home / 2,358.03-3,248.61-1,648.62

Finding the Fourth Proportional to 2,358.03, 3,248.61 and 1,648.62

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Solution

The fourth proportional to 2,358.03, 3,248.61 and 1,648.62 is: 2,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.03 : 3,248.61 = 1,648.62 : x
  2. Step 2: Convert to fraction form
    2,358.03/3,248.61 = 1,648.62/x
  3. Step 3: Cross multiply
    2,358.03x = 3,248.61 × 1,648.62
  4. Step 4: Simplify right side
    2,358.03x = 5,355,717.24
  5. Step 5: Solve for x
    x = 5,355,717.24/2,358.03
  6. Step 6: Final answer
    x = 2,271.27

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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.