Home / 1,567.40-2,352.28-1,072.63

Finding the Fourth Proportional to 1,567.40, 2,352.28 and 1,072.63

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Solution

The fourth proportional to 1,567.40, 2,352.28 and 1,072.63 is: 1,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.40 : 2,352.28 = 1,072.63 : x
  2. Step 2: Convert to fraction form
    1,567.40/2,352.28 = 1,072.63/x
  3. Step 3: Cross multiply
    1,567.40x = 2,352.28 × 1,072.63
  4. Step 4: Simplify right side
    1,567.40x = 2,523,126.10
  5. Step 5: Solve for x
    x = 2,523,126.10/1,567.40
  6. Step 6: Final answer
    x = 1,609.75

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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.