Home / 2,775.18-3,827.14-2,068.59

Finding the Fourth Proportional to 2,775.18, 3,827.14 and 2,068.59

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Solution

The fourth proportional to 2,775.18, 3,827.14 and 2,068.59 is: 2,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.18 : 3,827.14 = 2,068.59 : x
  2. Step 2: Convert to fraction form
    2,775.18/3,827.14 = 2,068.59/x
  3. Step 3: Cross multiply
    2,775.18x = 3,827.14 × 2,068.59
  4. Step 4: Simplify right side
    2,775.18x = 7,916,783.53
  5. Step 5: Solve for x
    x = 7,916,783.53/2,775.18
  6. Step 6: Final answer
    x = 2,852.71

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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.