Home / 5,485.14-8,225.10-1,588.50

Finding the Fourth Proportional to 5,485.14, 8,225.10 and 1,588.50

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Solution

The fourth proportional to 5,485.14, 8,225.10 and 1,588.50 is: 2,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.14 : 8,225.10 = 1,588.50 : x
  2. Step 2: Convert to fraction form
    5,485.14/8,225.10 = 1,588.50/x
  3. Step 3: Cross multiply
    5,485.14x = 8,225.10 × 1,588.50
  4. Step 4: Simplify right side
    5,485.14x = 13,065,571.35
  5. Step 5: Solve for x
    x = 13,065,571.35/5,485.14
  6. Step 6: Final answer
    x = 2,381.99

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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.