Home / 4,953.97-7,431.36-1,666.18

Finding the Fourth Proportional to 4,953.97, 7,431.36 and 1,666.18

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Solution

The fourth proportional to 4,953.97, 7,431.36 and 1,666.18 is: 2,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.97 : 7,431.36 = 1,666.18 : x
  2. Step 2: Convert to fraction form
    4,953.97/7,431.36 = 1,666.18/x
  3. Step 3: Cross multiply
    4,953.97x = 7,431.36 × 1,666.18
  4. Step 4: Simplify right side
    4,953.97x = 12,381,983.40
  5. Step 5: Solve for x
    x = 12,381,983.40/4,953.97
  6. Step 6: Final answer
    x = 2,499.41

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1.5x scale

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.