Home / 5,776.59-7,972.23-3,419.08

Finding the Fourth Proportional to 5,776.59, 7,972.23 and 3,419.08

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Solution

The fourth proportional to 5,776.59, 7,972.23 and 3,419.08 is: 4,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.59 : 7,972.23 = 3,419.08 : x
  2. Step 2: Convert to fraction form
    5,776.59/7,972.23 = 3,419.08/x
  3. Step 3: Cross multiply
    5,776.59x = 7,972.23 × 3,419.08
  4. Step 4: Simplify right side
    5,776.59x = 27,257,692.15
  5. Step 5: Solve for x
    x = 27,257,692.15/5,776.59
  6. Step 6: Final answer
    x = 4,718.65

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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.