Home / 2,692.18-3,710.64-2,053.90

Finding the Fourth Proportional to 2,692.18, 3,710.64 and 2,053.90

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Solution

The fourth proportional to 2,692.18, 3,710.64 and 2,053.90 is: 2,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.18 : 3,710.64 = 2,053.90 : x
  2. Step 2: Convert to fraction form
    2,692.18/3,710.64 = 2,053.90/x
  3. Step 3: Cross multiply
    2,692.18x = 3,710.64 × 2,053.90
  4. Step 4: Simplify right side
    2,692.18x = 7,621,283.50
  5. Step 5: Solve for x
    x = 7,621,283.50/2,692.18
  6. Step 6: Final answer
    x = 2,830.90

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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.