Home / 7,461.20-10,297.80-4,319.12

Finding the Fourth Proportional to 7,461.20, 10,297.80 and 4,319.12

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Solution

The fourth proportional to 7,461.20, 10,297.80 and 4,319.12 is: 5,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.20 : 10,297.80 = 4,319.12 : x
  2. Step 2: Convert to fraction form
    7,461.20/10,297.80 = 4,319.12/x
  3. Step 3: Cross multiply
    7,461.20x = 10,297.80 × 4,319.12
  4. Step 4: Simplify right side
    7,461.20x = 44,477,433.94
  5. Step 5: Solve for x
    x = 44,477,433.94/7,461.20
  6. Step 6: Final answer
    x = 5,961.16

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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.