Home / 6,453.10-8,921.53-4,771.86

Finding the Fourth Proportional to 6,453.10, 8,921.53 and 4,771.86

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Solution

The fourth proportional to 6,453.10, 8,921.53 and 4,771.86 is: 6,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.10 : 8,921.53 = 4,771.86 : x
  2. Step 2: Convert to fraction form
    6,453.10/8,921.53 = 4,771.86/x
  3. Step 3: Cross multiply
    6,453.10x = 8,921.53 × 4,771.86
  4. Step 4: Simplify right side
    6,453.10x = 42,572,292.15
  5. Step 5: Solve for x
    x = 42,572,292.15/6,453.10
  6. Step 6: Final answer
    x = 6,597.18

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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.