Home / 2,492.02-3,440.30-1,931.23

Finding the Fourth Proportional to 2,492.02, 3,440.30 and 1,931.23

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Solution

The fourth proportional to 2,492.02, 3,440.30 and 1,931.23 is: 2,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.02 : 3,440.30 = 1,931.23 : x
  2. Step 2: Convert to fraction form
    2,492.02/3,440.30 = 1,931.23/x
  3. Step 3: Cross multiply
    2,492.02x = 3,440.30 × 1,931.23
  4. Step 4: Simplify right side
    2,492.02x = 6,644,010.57
  5. Step 5: Solve for x
    x = 6,644,010.57/2,492.02
  6. Step 6: Final answer
    x = 2,666.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.