Home / 4,863.69-6,711.84-2,875.91

Finding the Fourth Proportional to 4,863.69, 6,711.84 and 2,875.91

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Solution

The fourth proportional to 4,863.69, 6,711.84 and 2,875.91 is: 3,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.69 : 6,711.84 = 2,875.91 : x
  2. Step 2: Convert to fraction form
    4,863.69/6,711.84 = 2,875.91/x
  3. Step 3: Cross multiply
    4,863.69x = 6,711.84 × 2,875.91
  4. Step 4: Simplify right side
    4,863.69x = 19,302,614.22
  5. Step 5: Solve for x
    x = 19,302,614.22/4,863.69
  6. Step 6: Final answer
    x = 3,968.72

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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.