Home / 1,425.76-1,967.40-1,052.93

Finding the Fourth Proportional to 1,425.76, 1,967.40 and 1,052.93

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Solution

The fourth proportional to 1,425.76, 1,967.40 and 1,052.93 is: 1,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.76 : 1,967.40 = 1,052.93 : x
  2. Step 2: Convert to fraction form
    1,425.76/1,967.40 = 1,052.93/x
  3. Step 3: Cross multiply
    1,425.76x = 1,967.40 × 1,052.93
  4. Step 4: Simplify right side
    1,425.76x = 2,071,539.40
  5. Step 5: Solve for x
    x = 2,071,539.40/1,425.76
  6. Step 6: Final answer
    x = 1,452.94

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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.