Home / 7,451.10-10,279.53-4,617.54

Finding the Fourth Proportional to 7,451.10, 10,279.53 and 4,617.54

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Solution

The fourth proportional to 7,451.10, 10,279.53 and 4,617.54 is: 6,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.10 : 10,279.53 = 4,617.54 : x
  2. Step 2: Convert to fraction form
    7,451.10/10,279.53 = 4,617.54/x
  3. Step 3: Cross multiply
    7,451.10x = 10,279.53 × 4,617.54
  4. Step 4: Simplify right side
    7,451.10x = 47,466,140.96
  5. Step 5: Solve for x
    x = 47,466,140.96/7,451.10
  6. Step 6: Final answer
    x = 6,370.35

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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.