Home / 5,312.18-7,968.30-1,614.44

Finding the Fourth Proportional to 5,312.18, 7,968.30 and 1,614.44

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Solution

The fourth proportional to 5,312.18, 7,968.30 and 1,614.44 is: 2,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.18 : 7,968.30 = 1,614.44 : x
  2. Step 2: Convert to fraction form
    5,312.18/7,968.30 = 1,614.44/x
  3. Step 3: Cross multiply
    5,312.18x = 7,968.30 × 1,614.44
  4. Step 4: Simplify right side
    5,312.18x = 12,864,342.25
  5. Step 5: Solve for x
    x = 12,864,342.25/5,312.18
  6. Step 6: Final answer
    x = 2,421.67

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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.