Home / 1,050.42-1,576.56-934.68

Finding the Fourth Proportional to 1,050.42, 1,576.56 and 934.68

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Solution

The fourth proportional to 1,050.42, 1,576.56 and 934.68 is: 1,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.42 : 1,576.56 = 934.68 : x
  2. Step 2: Convert to fraction form
    1,050.42/1,576.56 = 934.68/x
  3. Step 3: Cross multiply
    1,050.42x = 1,576.56 × 934.68
  4. Step 4: Simplify right side
    1,050.42x = 1,473,579.10
  5. Step 5: Solve for x
    x = 1,473,579.10/1,050.42
  6. Step 6: Final answer
    x = 1,402.85

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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.