Home / 6,191.79-8,537.36-5,068.59

Finding the Fourth Proportional to 6,191.79, 8,537.36 and 5,068.59

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Solution

The fourth proportional to 6,191.79, 8,537.36 and 5,068.59 is: 6,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.79 : 8,537.36 = 5,068.59 : x
  2. Step 2: Convert to fraction form
    6,191.79/8,537.36 = 5,068.59/x
  3. Step 3: Cross multiply
    6,191.79x = 8,537.36 × 5,068.59
  4. Step 4: Simplify right side
    6,191.79x = 43,272,352.18
  5. Step 5: Solve for x
    x = 43,272,352.18/6,191.79
  6. Step 6: Final answer
    x = 6,988.67

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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.