Home / 7,307.60-10,085.40-4,791.83

Finding the Fourth Proportional to 7,307.60, 10,085.40 and 4,791.83

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Solution

The fourth proportional to 7,307.60, 10,085.40 and 4,791.83 is: 6,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.60 : 10,085.40 = 4,791.83 : x
  2. Step 2: Convert to fraction form
    7,307.60/10,085.40 = 4,791.83/x
  3. Step 3: Cross multiply
    7,307.60x = 10,085.40 × 4,791.83
  4. Step 4: Simplify right side
    7,307.60x = 48,327,471.86
  5. Step 5: Solve for x
    x = 48,327,471.86/7,307.60
  6. Step 6: Final answer
    x = 6,613.32

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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.