Home / 7,537.42-10,401.53-4,180.16

Finding the Fourth Proportional to 7,537.42, 10,401.53 and 4,180.16

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Solution

The fourth proportional to 7,537.42, 10,401.53 and 4,180.16 is: 5,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.42 : 10,401.53 = 4,180.16 : x
  2. Step 2: Convert to fraction form
    7,537.42/10,401.53 = 4,180.16/x
  3. Step 3: Cross multiply
    7,537.42x = 10,401.53 × 4,180.16
  4. Step 4: Simplify right side
    7,537.42x = 43,480,059.64
  5. Step 5: Solve for x
    x = 43,480,059.64/7,537.42
  6. Step 6: Final answer
    x = 5,768.56

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Half scale
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Double scale
Find fourth proportional to 7,538.42, 10,402.91 and 4,181.16
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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.