Home / 4,160.39-5,740.63-2,668.01

Finding the Fourth Proportional to 4,160.39, 5,740.63 and 2,668.01

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Solution

The fourth proportional to 4,160.39, 5,740.63 and 2,668.01 is: 3,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.39 : 5,740.63 = 2,668.01 : x
  2. Step 2: Convert to fraction form
    4,160.39/5,740.63 = 2,668.01/x
  3. Step 3: Cross multiply
    4,160.39x = 5,740.63 × 2,668.01
  4. Step 4: Simplify right side
    4,160.39x = 15,316,022.87
  5. Step 5: Solve for x
    x = 15,316,022.87/4,160.39
  6. Step 6: Final answer
    x = 3,681.40

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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.