Home / 5,903.98-8,146.38-3,666.40

Finding the Fourth Proportional to 5,903.98, 8,146.38 and 3,666.40

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Solution

The fourth proportional to 5,903.98, 8,146.38 and 3,666.40 is: 5,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.98 : 8,146.38 = 3,666.40 : x
  2. Step 2: Convert to fraction form
    5,903.98/8,146.38 = 3,666.40/x
  3. Step 3: Cross multiply
    5,903.98x = 8,146.38 × 3,666.40
  4. Step 4: Simplify right side
    5,903.98x = 29,867,887.63
  5. Step 5: Solve for x
    x = 29,867,887.63/5,903.98
  6. Step 6: Final answer
    x = 5,058.94

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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.