Home / 2,316.12-3,472.02-929.22

Finding the Fourth Proportional to 2,316.12, 3,472.02 and 929.22

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Solution

The fourth proportional to 2,316.12, 3,472.02 and 929.22 is: 1,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.12 : 3,472.02 = 929.22 : x
  2. Step 2: Convert to fraction form
    2,316.12/3,472.02 = 929.22/x
  3. Step 3: Cross multiply
    2,316.12x = 3,472.02 × 929.22
  4. Step 4: Simplify right side
    2,316.12x = 3,226,270.42
  5. Step 5: Solve for x
    x = 3,226,270.42/2,316.12
  6. Step 6: Final answer
    x = 1,392.96

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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.