Home / 7,561.64-10,434.53-4,158.90

Finding the Fourth Proportional to 7,561.64, 10,434.53 and 4,158.90

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Solution

The fourth proportional to 7,561.64, 10,434.53 and 4,158.90 is: 5,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.64 : 10,434.53 = 4,158.90 : x
  2. Step 2: Convert to fraction form
    7,561.64/10,434.53 = 4,158.90/x
  3. Step 3: Cross multiply
    7,561.64x = 10,434.53 × 4,158.90
  4. Step 4: Simplify right side
    7,561.64x = 43,396,146.02
  5. Step 5: Solve for x
    x = 43,396,146.02/7,561.64
  6. Step 6: Final answer
    x = 5,738.99

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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.