Home / 7,558.88-10,430.71-4,156.11

Finding the Fourth Proportional to 7,558.88, 10,430.71 and 4,156.11

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Solution

The fourth proportional to 7,558.88, 10,430.71 and 4,156.11 is: 5,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.88 : 10,430.71 = 4,156.11 : x
  2. Step 2: Convert to fraction form
    7,558.88/10,430.71 = 4,156.11/x
  3. Step 3: Cross multiply
    7,558.88x = 10,430.71 × 4,156.11
  4. Step 4: Simplify right side
    7,558.88x = 43,351,167.75
  5. Step 5: Solve for x
    x = 43,351,167.75/7,558.88
  6. Step 6: Final answer
    x = 5,735.13

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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.