Home / 6,875.76-10,311.20-2,492.08

Finding the Fourth Proportional to 6,875.76, 10,311.20 and 2,492.08

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Solution

The fourth proportional to 6,875.76, 10,311.20 and 2,492.08 is: 3,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.76 : 10,311.20 = 2,492.08 : x
  2. Step 2: Convert to fraction form
    6,875.76/10,311.20 = 2,492.08/x
  3. Step 3: Cross multiply
    6,875.76x = 10,311.20 × 2,492.08
  4. Step 4: Simplify right side
    6,875.76x = 25,696,335.30
  5. Step 5: Solve for x
    x = 25,696,335.30/6,875.76
  6. Step 6: Final answer
    x = 3,737.24

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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.