Home / 5,577.13-7,696.15-3,219.13

Finding the Fourth Proportional to 5,577.13, 7,696.15 and 3,219.13

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Solution

The fourth proportional to 5,577.13, 7,696.15 and 3,219.13 is: 4,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.13 : 7,696.15 = 3,219.13 : x
  2. Step 2: Convert to fraction form
    5,577.13/7,696.15 = 3,219.13/x
  3. Step 3: Cross multiply
    5,577.13x = 7,696.15 × 3,219.13
  4. Step 4: Simplify right side
    5,577.13x = 24,774,907.35
  5. Step 5: Solve for x
    x = 24,774,907.35/5,577.13
  6. Step 6: Final answer
    x = 4,442.23

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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.