Home / 7,537.60-10,401.75-4,180.42

Finding the Fourth Proportional to 7,537.60, 10,401.75 and 4,180.42

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Solution

The fourth proportional to 7,537.60, 10,401.75 and 4,180.42 is: 5,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.60 : 10,401.75 = 4,180.42 : x
  2. Step 2: Convert to fraction form
    7,537.60/10,401.75 = 4,180.42/x
  3. Step 3: Cross multiply
    7,537.60x = 10,401.75 × 4,180.42
  4. Step 4: Simplify right side
    7,537.60x = 43,483,683.74
  5. Step 5: Solve for x
    x = 43,483,683.74/7,537.60
  6. Step 6: Final answer
    x = 5,768.90

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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.