Home / 5,021.66-6,929.67-2,783.51

Finding the Fourth Proportional to 5,021.66, 6,929.67 and 2,783.51

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Solution

The fourth proportional to 5,021.66, 6,929.67 and 2,783.51 is: 3,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.66 : 6,929.67 = 2,783.51 : x
  2. Step 2: Convert to fraction form
    5,021.66/6,929.67 = 2,783.51/x
  3. Step 3: Cross multiply
    5,021.66x = 6,929.67 × 2,783.51
  4. Step 4: Simplify right side
    5,021.66x = 19,288,805.74
  5. Step 5: Solve for x
    x = 19,288,805.74/5,021.66
  6. Step 6: Final answer
    x = 3,841.12

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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.