Home / 5,439.18-7,506.36-3,449.01

Finding the Fourth Proportional to 5,439.18, 7,506.36 and 3,449.01

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Solution

The fourth proportional to 5,439.18, 7,506.36 and 3,449.01 is: 4,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.18 : 7,506.36 = 3,449.01 : x
  2. Step 2: Convert to fraction form
    5,439.18/7,506.36 = 3,449.01/x
  3. Step 3: Cross multiply
    5,439.18x = 7,506.36 × 3,449.01
  4. Step 4: Simplify right side
    5,439.18x = 25,889,510.70
  5. Step 5: Solve for x
    x = 25,889,510.70/5,439.18
  6. Step 6: Final answer
    x = 4,759.82

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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.