Home / 7,456.08-10,290.48-4,311.60

Finding the Fourth Proportional to 7,456.08, 10,290.48 and 4,311.60

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Solution

The fourth proportional to 7,456.08, 10,290.48 and 4,311.60 is: 5,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.08 : 10,290.48 = 4,311.60 : x
  2. Step 2: Convert to fraction form
    7,456.08/10,290.48 = 4,311.60/x
  3. Step 3: Cross multiply
    7,456.08x = 10,290.48 × 4,311.60
  4. Step 4: Simplify right side
    7,456.08x = 44,368,433.57
  5. Step 5: Solve for x
    x = 44,368,433.57/7,456.08
  6. Step 6: Final answer
    x = 5,950.64

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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.