Home / 3,492.24-4,821.76-2,315.76

Finding the Fourth Proportional to 3,492.24, 4,821.76 and 2,315.76

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Solution

The fourth proportional to 3,492.24, 4,821.76 and 2,315.76 is: 3,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.24 : 4,821.76 = 2,315.76 : x
  2. Step 2: Convert to fraction form
    3,492.24/4,821.76 = 2,315.76/x
  3. Step 3: Cross multiply
    3,492.24x = 4,821.76 × 2,315.76
  4. Step 4: Simplify right side
    3,492.24x = 11,166,038.94
  5. Step 5: Solve for x
    x = 11,166,038.94/3,492.24
  6. Step 6: Final answer
    x = 3,197.39

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1.5x scale

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.