Home / 5,319.85-7,341.39-3,082.16

Finding the Fourth Proportional to 5,319.85, 7,341.39 and 3,082.16

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Solution

The fourth proportional to 5,319.85, 7,341.39 and 3,082.16 is: 4,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.85 : 7,341.39 = 3,082.16 : x
  2. Step 2: Convert to fraction form
    5,319.85/7,341.39 = 3,082.16/x
  3. Step 3: Cross multiply
    5,319.85x = 7,341.39 × 3,082.16
  4. Step 4: Simplify right side
    5,319.85x = 22,627,327.95
  5. Step 5: Solve for x
    x = 22,627,327.95/5,319.85
  6. Step 6: Final answer
    x = 4,253.38

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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.