Home / 5,312.36-7,968.32-1,416.77

Finding the Fourth Proportional to 5,312.36, 7,968.32 and 1,416.77

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Solution

The fourth proportional to 5,312.36, 7,968.32 and 1,416.77 is: 2,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.36 : 7,968.32 = 1,416.77 : x
  2. Step 2: Convert to fraction form
    5,312.36/7,968.32 = 1,416.77/x
  3. Step 3: Cross multiply
    5,312.36x = 7,968.32 × 1,416.77
  4. Step 4: Simplify right side
    5,312.36x = 11,289,229.80
  5. Step 5: Solve for x
    x = 11,289,229.80/5,312.36
  6. Step 6: Final answer
    x = 2,125.09

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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.