Home / 5,555.12-7,666.08-3,037.20

Finding the Fourth Proportional to 5,555.12, 7,666.08 and 3,037.20

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Solution

The fourth proportional to 5,555.12, 7,666.08 and 3,037.20 is: 4,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.12 : 7,666.08 = 3,037.20 : x
  2. Step 2: Convert to fraction form
    5,555.12/7,666.08 = 3,037.20/x
  3. Step 3: Cross multiply
    5,555.12x = 7,666.08 × 3,037.20
  4. Step 4: Simplify right side
    5,555.12x = 23,283,418.18
  5. Step 5: Solve for x
    x = 23,283,418.18/5,555.12
  6. Step 6: Final answer
    x = 4,191.34

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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.