Home / 5,363.47-7,402.31-3,126.05

Finding the Fourth Proportional to 5,363.47, 7,402.31 and 3,126.05

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Solution

The fourth proportional to 5,363.47, 7,402.31 and 3,126.05 is: 4,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.47 : 7,402.31 = 3,126.05 : x
  2. Step 2: Convert to fraction form
    5,363.47/7,402.31 = 3,126.05/x
  3. Step 3: Cross multiply
    5,363.47x = 7,402.31 × 3,126.05
  4. Step 4: Simplify right side
    5,363.47x = 23,139,991.18
  5. Step 5: Solve for x
    x = 23,139,991.18/5,363.47
  6. Step 6: Final answer
    x = 4,314.37

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1.5x scale

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.