Home / 5,263.42-7,263.49-2,905.70

Finding the Fourth Proportional to 5,263.42, 7,263.49 and 2,905.70

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Solution

The fourth proportional to 5,263.42, 7,263.49 and 2,905.70 is: 4,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.42 : 7,263.49 = 2,905.70 : x
  2. Step 2: Convert to fraction form
    5,263.42/7,263.49 = 2,905.70/x
  3. Step 3: Cross multiply
    5,263.42x = 7,263.49 × 2,905.70
  4. Step 4: Simplify right side
    5,263.42x = 21,105,522.89
  5. Step 5: Solve for x
    x = 21,105,522.89/5,263.42
  6. Step 6: Final answer
    x = 4,009.85

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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.