Home / 5,439.87-7,506.60-3,082.17

Finding the Fourth Proportional to 5,439.87, 7,506.60 and 3,082.17

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Solution

The fourth proportional to 5,439.87, 7,506.60 and 3,082.17 is: 4,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.87 : 7,506.60 = 3,082.17 : x
  2. Step 2: Convert to fraction form
    5,439.87/7,506.60 = 3,082.17/x
  3. Step 3: Cross multiply
    5,439.87x = 7,506.60 × 3,082.17
  4. Step 4: Simplify right side
    5,439.87x = 23,136,617.32
  5. Step 5: Solve for x
    x = 23,136,617.32/5,439.87
  6. Step 6: Final answer
    x = 4,253.16

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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.