Home / 4,187.79-5,779.16-2,299.53

Finding the Fourth Proportional to 4,187.79, 5,779.16 and 2,299.53

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Solution

The fourth proportional to 4,187.79, 5,779.16 and 2,299.53 is: 3,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.79 : 5,779.16 = 2,299.53 : x
  2. Step 2: Convert to fraction form
    4,187.79/5,779.16 = 2,299.53/x
  3. Step 3: Cross multiply
    4,187.79x = 5,779.16 × 2,299.53
  4. Step 4: Simplify right side
    4,187.79x = 13,289,340.30
  5. Step 5: Solve for x
    x = 13,289,340.30/4,187.79
  6. Step 6: Final answer
    x = 3,173.35

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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.