Home / 5,275.14-7,915.42-2,355.36

Finding the Fourth Proportional to 5,275.14, 7,915.42 and 2,355.36

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Solution

The fourth proportional to 5,275.14, 7,915.42 and 2,355.36 is: 3,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.14 : 7,915.42 = 2,355.36 : x
  2. Step 2: Convert to fraction form
    5,275.14/7,915.42 = 2,355.36/x
  3. Step 3: Cross multiply
    5,275.14x = 7,915.42 × 2,355.36
  4. Step 4: Simplify right side
    5,275.14x = 18,643,663.65
  5. Step 5: Solve for x
    x = 18,643,663.65/5,275.14
  6. Step 6: Final answer
    x = 3,534.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.