Home / 3,586.50-5,343.70-3,385.06

Finding the Fourth Proportional to 3,586.50, 5,343.70 and 3,385.06

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Solution

The fourth proportional to 3,586.50, 5,343.70 and 3,385.06 is: 5,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.50 : 5,343.70 = 3,385.06 : x
  2. Step 2: Convert to fraction form
    3,586.50/5,343.70 = 3,385.06/x
  3. Step 3: Cross multiply
    3,586.50x = 5,343.70 × 3,385.06
  4. Step 4: Simplify right side
    3,586.50x = 18,088,728.20
  5. Step 5: Solve for x
    x = 18,088,728.20/3,586.50
  6. Step 6: Final answer
    x = 5,043.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.