Home / 5,207.54-7,189.75-4,647.04

Finding the Fourth Proportional to 5,207.54, 7,189.75 and 4,647.04

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Solution

The fourth proportional to 5,207.54, 7,189.75 and 4,647.04 is: 6,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.54 : 7,189.75 = 4,647.04 : x
  2. Step 2: Convert to fraction form
    5,207.54/7,189.75 = 4,647.04/x
  3. Step 3: Cross multiply
    5,207.54x = 7,189.75 × 4,647.04
  4. Step 4: Simplify right side
    5,207.54x = 33,411,061.65
  5. Step 5: Solve for x
    x = 33,411,061.65/5,207.54
  6. Step 6: Final answer
    x = 6,415.91

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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.