Home / 7,301.45-10,066.77-4,779.56

Finding the Fourth Proportional to 7,301.45, 10,066.77 and 4,779.56

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Solution

The fourth proportional to 7,301.45, 10,066.77 and 4,779.56 is: 6,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.45 : 10,066.77 = 4,779.56 : x
  2. Step 2: Convert to fraction form
    7,301.45/10,066.77 = 4,779.56/x
  3. Step 3: Cross multiply
    7,301.45x = 10,066.77 × 4,779.56
  4. Step 4: Simplify right side
    7,301.45x = 48,114,680.89
  5. Step 5: Solve for x
    x = 48,114,680.89/7,301.45
  6. Step 6: Final answer
    x = 6,589.75

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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.