Home / 5,431.74-7,487.55-4,475.94

Finding the Fourth Proportional to 5,431.74, 7,487.55 and 4,475.94

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Solution

The fourth proportional to 5,431.74, 7,487.55 and 4,475.94 is: 6,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.74 : 7,487.55 = 4,475.94 : x
  2. Step 2: Convert to fraction form
    5,431.74/7,487.55 = 4,475.94/x
  3. Step 3: Cross multiply
    5,431.74x = 7,487.55 × 4,475.94
  4. Step 4: Simplify right side
    5,431.74x = 33,513,824.55
  5. Step 5: Solve for x
    x = 33,513,824.55/5,431.74
  6. Step 6: Final answer
    x = 6,170.00

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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.