Home / 3,975.18-5,962.76-1,053.46

Finding the Fourth Proportional to 3,975.18, 5,962.76 and 1,053.46

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Solution

The fourth proportional to 3,975.18, 5,962.76 and 1,053.46 is: 1,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.18 : 5,962.76 = 1,053.46 : x
  2. Step 2: Convert to fraction form
    3,975.18/5,962.76 = 1,053.46/x
  3. Step 3: Cross multiply
    3,975.18x = 5,962.76 × 1,053.46
  4. Step 4: Simplify right side
    3,975.18x = 6,281,507.67
  5. Step 5: Solve for x
    x = 6,281,507.67/3,975.18
  6. Step 6: Final answer
    x = 1,580.18

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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.