Home / 4,925.90-7,390.02-1,415.96

Finding the Fourth Proportional to 4,925.90, 7,390.02 and 1,415.96

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Solution

The fourth proportional to 4,925.90, 7,390.02 and 1,415.96 is: 2,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.90 : 7,390.02 = 1,415.96 : x
  2. Step 2: Convert to fraction form
    4,925.90/7,390.02 = 1,415.96/x
  3. Step 3: Cross multiply
    4,925.90x = 7,390.02 × 1,415.96
  4. Step 4: Simplify right side
    4,925.90x = 10,463,972.72
  5. Step 5: Solve for x
    x = 10,463,972.72/4,925.90
  6. Step 6: Final answer
    x = 2,124.28

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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.