Home / 2,772.18-3,817.17-2,595.90

Finding the Fourth Proportional to 2,772.18, 3,817.17 and 2,595.90

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Solution

The fourth proportional to 2,772.18, 3,817.17 and 2,595.90 is: 3,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.18 : 3,817.17 = 2,595.90 : x
  2. Step 2: Convert to fraction form
    2,772.18/3,817.17 = 2,595.90/x
  3. Step 3: Cross multiply
    2,772.18x = 3,817.17 × 2,595.90
  4. Step 4: Simplify right side
    2,772.18x = 9,908,991.60
  5. Step 5: Solve for x
    x = 9,908,991.60/2,772.18
  6. Step 6: Final answer
    x = 3,574.44

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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.