Home / 5,397.14-7,448.59-3,158.89

Finding the Fourth Proportional to 5,397.14, 7,448.59 and 3,158.89

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Solution

The fourth proportional to 5,397.14, 7,448.59 and 3,158.89 is: 4,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.14 : 7,448.59 = 3,158.89 : x
  2. Step 2: Convert to fraction form
    5,397.14/7,448.59 = 3,158.89/x
  3. Step 3: Cross multiply
    5,397.14x = 7,448.59 × 3,158.89
  4. Step 4: Simplify right side
    5,397.14x = 23,529,239.22
  5. Step 5: Solve for x
    x = 23,529,239.22/5,397.14
  6. Step 6: Final answer
    x = 4,359.58

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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.