Home / 5,225.76-7,189.90-4,564.19

Finding the Fourth Proportional to 5,225.76, 7,189.90 and 4,564.19

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Solution

The fourth proportional to 5,225.76, 7,189.90 and 4,564.19 is: 6,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.76 : 7,189.90 = 4,564.19 : x
  2. Step 2: Convert to fraction form
    5,225.76/7,189.90 = 4,564.19/x
  3. Step 3: Cross multiply
    5,225.76x = 7,189.90 × 4,564.19
  4. Step 4: Simplify right side
    5,225.76x = 32,816,076.25
  5. Step 5: Solve for x
    x = 32,816,076.25/5,225.76
  6. Step 6: Final answer
    x = 6,279.68

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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.