Home / 5,226.34-7,840.68-1,763.50

Finding the Fourth Proportional to 5,226.34, 7,840.68 and 1,763.50

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Solution

The fourth proportional to 5,226.34, 7,840.68 and 1,763.50 is: 2,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.34 : 7,840.68 = 1,763.50 : x
  2. Step 2: Convert to fraction form
    5,226.34/7,840.68 = 1,763.50/x
  3. Step 3: Cross multiply
    5,226.34x = 7,840.68 × 1,763.50
  4. Step 4: Simplify right side
    5,226.34x = 13,827,039.18
  5. Step 5: Solve for x
    x = 13,827,039.18/5,226.34
  6. Step 6: Final answer
    x = 2,645.64

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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.