Home / 5,133.20-7,084.70-4,899.45

Finding the Fourth Proportional to 5,133.20, 7,084.70 and 4,899.45

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Solution

The fourth proportional to 5,133.20, 7,084.70 and 4,899.45 is: 6,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.20 : 7,084.70 = 4,899.45 : x
  2. Step 2: Convert to fraction form
    5,133.20/7,084.70 = 4,899.45/x
  3. Step 3: Cross multiply
    5,133.20x = 7,084.70 × 4,899.45
  4. Step 4: Simplify right side
    5,133.20x = 34,711,108.92
  5. Step 5: Solve for x
    x = 34,711,108.92/5,133.20
  6. Step 6: Final answer
    x = 6,762.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.