Home / 3,746.52-5,621.40-2,106

Finding the Fourth Proportional to 3,746.52, 5,621.40 and 2,106

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Solution

The fourth proportional to 3,746.52, 5,621.40 and 2,106 is: 3,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.52 : 5,621.40 = 2,106 : x
  2. Step 2: Convert to fraction form
    3,746.52/5,621.40 = 2,106/x
  3. Step 3: Cross multiply
    3,746.52x = 5,621.40 × 2,106
  4. Step 4: Simplify right side
    3,746.52x = 11,838,668.40
  5. Step 5: Solve for x
    x = 11,838,668.40/3,746.52
  6. Step 6: Final answer
    x = 3,159.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.