Home / 7,537.34-10,401.47-4,180.16

Finding the Fourth Proportional to 7,537.34, 10,401.47 and 4,180.16

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Solution

The fourth proportional to 7,537.34, 10,401.47 and 4,180.16 is: 5,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.34 : 10,401.47 = 4,180.16 : x
  2. Step 2: Convert to fraction form
    7,537.34/10,401.47 = 4,180.16/x
  3. Step 3: Cross multiply
    7,537.34x = 10,401.47 × 4,180.16
  4. Step 4: Simplify right side
    7,537.34x = 43,479,735.93
  5. Step 5: Solve for x
    x = 43,479,735.93/7,537.34
  6. Step 6: Final answer
    x = 5,768.58

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Half scale
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Double scale
Find fourth proportional to 7,538.34, 10,402.84 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.