Home / 5,578.12-7,692.69-4,315.13

Finding the Fourth Proportional to 5,578.12, 7,692.69 and 4,315.13

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Solution

The fourth proportional to 5,578.12, 7,692.69 and 4,315.13 is: 5,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.12 : 7,692.69 = 4,315.13 : x
  2. Step 2: Convert to fraction form
    5,578.12/7,692.69 = 4,315.13/x
  3. Step 3: Cross multiply
    5,578.12x = 7,692.69 × 4,315.13
  4. Step 4: Simplify right side
    5,578.12x = 33,194,957.40
  5. Step 5: Solve for x
    x = 33,194,957.40/5,578.12
  6. Step 6: Final answer
    x = 5,950.92

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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.