Home / 5,235.12-7,852.68-2,312.64

Finding the Fourth Proportional to 5,235.12, 7,852.68 and 2,312.64

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Solution

The fourth proportional to 5,235.12, 7,852.68 and 2,312.64 is: 3,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.12 : 7,852.68 = 2,312.64 : x
  2. Step 2: Convert to fraction form
    5,235.12/7,852.68 = 2,312.64/x
  3. Step 3: Cross multiply
    5,235.12x = 7,852.68 × 2,312.64
  4. Step 4: Simplify right side
    5,235.12x = 18,160,421.88
  5. Step 5: Solve for x
    x = 18,160,421.88/5,235.12
  6. Step 6: Final answer
    x = 3,468.96

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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.