Home / 7,537.61-10,401.69-4,180.34

Finding the Fourth Proportional to 7,537.61, 10,401.69 and 4,180.34

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Solution

The fourth proportional to 7,537.61, 10,401.69 and 4,180.34 is: 5,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.61 : 10,401.69 = 4,180.34 : x
  2. Step 2: Convert to fraction form
    7,537.61/10,401.69 = 4,180.34/x
  3. Step 3: Cross multiply
    7,537.61x = 10,401.69 × 4,180.34
  4. Step 4: Simplify right side
    7,537.61x = 43,482,600.77
  5. Step 5: Solve for x
    x = 43,482,600.77/7,537.61
  6. Step 6: Final answer
    x = 5,768.75

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Half 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.