Home / 5,307.46-7,960.65-1,412.26

Finding the Fourth Proportional to 5,307.46, 7,960.65 and 1,412.26

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Solution

The fourth proportional to 5,307.46, 7,960.65 and 1,412.26 is: 2,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.46 : 7,960.65 = 1,412.26 : x
  2. Step 2: Convert to fraction form
    5,307.46/7,960.65 = 1,412.26/x
  3. Step 3: Cross multiply
    5,307.46x = 7,960.65 × 1,412.26
  4. Step 4: Simplify right side
    5,307.46x = 11,242,507.57
  5. Step 5: Solve for x
    x = 11,242,507.57/5,307.46
  6. Step 6: Final answer
    x = 2,118.25

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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.