Home / 4,779.24-7,168.91-1,492.35

Finding the Fourth Proportional to 4,779.24, 7,168.91 and 1,492.35

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Solution

The fourth proportional to 4,779.24, 7,168.91 and 1,492.35 is: 2,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.24 : 7,168.91 = 1,492.35 : x
  2. Step 2: Convert to fraction form
    4,779.24/7,168.91 = 1,492.35/x
  3. Step 3: Cross multiply
    4,779.24x = 7,168.91 × 1,492.35
  4. Step 4: Simplify right side
    4,779.24x = 10,698,515.38
  5. Step 5: Solve for x
    x = 10,698,515.38/4,779.24
  6. Step 6: Final answer
    x = 2,238.54

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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.