Home / 4,622.08-6,931.60-2,312

Finding the Fourth Proportional to 4,622.08, 6,931.60 and 2,312

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Solution

The fourth proportional to 4,622.08, 6,931.60 and 2,312 is: 3,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.08 : 6,931.60 = 2,312 : x
  2. Step 2: Convert to fraction form
    4,622.08/6,931.60 = 2,312/x
  3. Step 3: Cross multiply
    4,622.08x = 6,931.60 × 2,312
  4. Step 4: Simplify right side
    4,622.08x = 16,025,859.20
  5. Step 5: Solve for x
    x = 16,025,859.20/4,622.08
  6. Step 6: Final answer
    x = 3,467.24

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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.