Home / 2,374.02-3,560.49-912.42

Finding the Fourth Proportional to 2,374.02, 3,560.49 and 912.42

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Solution

The fourth proportional to 2,374.02, 3,560.49 and 912.42 is: 1,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.02 : 3,560.49 = 912.42 : x
  2. Step 2: Convert to fraction form
    2,374.02/3,560.49 = 912.42/x
  3. Step 3: Cross multiply
    2,374.02x = 3,560.49 × 912.42
  4. Step 4: Simplify right side
    2,374.02x = 3,248,662.29
  5. Step 5: Solve for x
    x = 3,248,662.29/2,374.02
  6. Step 6: Final answer
    x = 1,368.42

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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.