Home / 5,057.40-7,586.10-4,887.30

Finding the Fourth Proportional to 5,057.40, 7,586.10 and 4,887.30

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Solution

The fourth proportional to 5,057.40, 7,586.10 and 4,887.30 is: 7,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.40 : 7,586.10 = 4,887.30 : x
  2. Step 2: Convert to fraction form
    5,057.40/7,586.10 = 4,887.30/x
  3. Step 3: Cross multiply
    5,057.40x = 7,586.10 × 4,887.30
  4. Step 4: Simplify right side
    5,057.40x = 37,075,546.53
  5. Step 5: Solve for x
    x = 37,075,546.53/5,057.40
  6. Step 6: Final answer
    x = 7,330.95

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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.