Home / 6,362.24-8,779.60-3,529.40

Finding the Fourth Proportional to 6,362.24, 8,779.60 and 3,529.40

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Solution

The fourth proportional to 6,362.24, 8,779.60 and 3,529.40 is: 4,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.24 : 8,779.60 = 3,529.40 : x
  2. Step 2: Convert to fraction form
    6,362.24/8,779.60 = 3,529.40/x
  3. Step 3: Cross multiply
    6,362.24x = 8,779.60 × 3,529.40
  4. Step 4: Simplify right side
    6,362.24x = 30,986,720.24
  5. Step 5: Solve for x
    x = 30,986,720.24/6,362.24
  6. Step 6: Final answer
    x = 4,870.41

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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.