Home / 5,615.16-7,749-3,225.53

Finding the Fourth Proportional to 5,615.16, 7,749 and 3,225.53

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Solution

The fourth proportional to 5,615.16, 7,749 and 3,225.53 is: 4,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.16 : 7,749 = 3,225.53 : x
  2. Step 2: Convert to fraction form
    5,615.16/7,749 = 3,225.53/x
  3. Step 3: Cross multiply
    5,615.16x = 7,749 × 3,225.53
  4. Step 4: Simplify right side
    5,615.16x = 24,994,593.23
  5. Step 5: Solve for x
    x = 24,994,593.23/5,615.16
  6. Step 6: Final answer
    x = 4,451.27

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Double scale
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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.