Home / 4,573.80-6,860.68-1,111.06

Finding the Fourth Proportional to 4,573.80, 6,860.68 and 1,111.06

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Solution

The fourth proportional to 4,573.80, 6,860.68 and 1,111.06 is: 1,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.80 : 6,860.68 = 1,111.06 : x
  2. Step 2: Convert to fraction form
    4,573.80/6,860.68 = 1,111.06/x
  3. Step 3: Cross multiply
    4,573.80x = 6,860.68 × 1,111.06
  4. Step 4: Simplify right side
    4,573.80x = 7,622,627.12
  5. Step 5: Solve for x
    x = 7,622,627.12/4,573.80
  6. Step 6: Final answer
    x = 1,666.59

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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.