Home / 4,867.65-6,717.48-2,979.19

Finding the Fourth Proportional to 4,867.65, 6,717.48 and 2,979.19

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Solution

The fourth proportional to 4,867.65, 6,717.48 and 2,979.19 is: 4,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.65 : 6,717.48 = 2,979.19 : x
  2. Step 2: Convert to fraction form
    4,867.65/6,717.48 = 2,979.19/x
  3. Step 3: Cross multiply
    4,867.65x = 6,717.48 × 2,979.19
  4. Step 4: Simplify right side
    4,867.65x = 20,012,668.81
  5. Step 5: Solve for x
    x = 20,012,668.81/4,867.65
  6. Step 6: Final answer
    x = 4,111.36

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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.