Home / 4,668.39-6,436.56-2,987.04

Finding the Fourth Proportional to 4,668.39, 6,436.56 and 2,987.04

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Solution

The fourth proportional to 4,668.39, 6,436.56 and 2,987.04 is: 4,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.39 : 6,436.56 = 2,987.04 : x
  2. Step 2: Convert to fraction form
    4,668.39/6,436.56 = 2,987.04/x
  3. Step 3: Cross multiply
    4,668.39x = 6,436.56 × 2,987.04
  4. Step 4: Simplify right side
    4,668.39x = 19,226,262.18
  5. Step 5: Solve for x
    x = 19,226,262.18/4,668.39
  6. Step 6: Final answer
    x = 4,118.39

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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.