Home / 5,187.33-7,141.86-4,617.45

Finding the Fourth Proportional to 5,187.33, 7,141.86 and 4,617.45

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Solution

The fourth proportional to 5,187.33, 7,141.86 and 4,617.45 is: 6,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.33 : 7,141.86 = 4,617.45 : x
  2. Step 2: Convert to fraction form
    5,187.33/7,141.86 = 4,617.45/x
  3. Step 3: Cross multiply
    5,187.33x = 7,141.86 × 4,617.45
  4. Step 4: Simplify right side
    5,187.33x = 32,977,181.46
  5. Step 5: Solve for x
    x = 32,977,181.46/5,187.33
  6. Step 6: Final answer
    x = 6,357.26

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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.