Home / 4,876.13-6,726.32-2,988.62

Finding the Fourth Proportional to 4,876.13, 6,726.32 and 2,988.62

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Solution

The fourth proportional to 4,876.13, 6,726.32 and 2,988.62 is: 4,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.13 : 6,726.32 = 2,988.62 : x
  2. Step 2: Convert to fraction form
    4,876.13/6,726.32 = 2,988.62/x
  3. Step 3: Cross multiply
    4,876.13x = 6,726.32 × 2,988.62
  4. Step 4: Simplify right side
    4,876.13x = 20,102,416.35
  5. Step 5: Solve for x
    x = 20,102,416.35/4,876.13
  6. Step 6: Final answer
    x = 4,122.62

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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.