Home / 4,887.90-7,331.16-1,601.13

Finding the Fourth Proportional to 4,887.90, 7,331.16 and 1,601.13

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Solution

The fourth proportional to 4,887.90, 7,331.16 and 1,601.13 is: 2,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.90 : 7,331.16 = 1,601.13 : x
  2. Step 2: Convert to fraction form
    4,887.90/7,331.16 = 1,601.13/x
  3. Step 3: Cross multiply
    4,887.90x = 7,331.16 × 1,601.13
  4. Step 4: Simplify right side
    4,887.90x = 11,738,140.21
  5. Step 5: Solve for x
    x = 11,738,140.21/4,887.90
  6. Step 6: Final answer
    x = 2,401.47

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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.