Home / 5,031.72-7,549.08-2,401.20

Finding the Fourth Proportional to 5,031.72, 7,549.08 and 2,401.20

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Solution

The fourth proportional to 5,031.72, 7,549.08 and 2,401.20 is: 3,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.72 : 7,549.08 = 2,401.20 : x
  2. Step 2: Convert to fraction form
    5,031.72/7,549.08 = 2,401.20/x
  3. Step 3: Cross multiply
    5,031.72x = 7,549.08 × 2,401.20
  4. Step 4: Simplify right side
    5,031.72x = 18,126,850.90
  5. Step 5: Solve for x
    x = 18,126,850.90/5,031.72
  6. Step 6: Final answer
    x = 3,602.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.