Home / 5,132.07-7,078.23-3,715.98

Finding the Fourth Proportional to 5,132.07, 7,078.23 and 3,715.98

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Solution

The fourth proportional to 5,132.07, 7,078.23 and 3,715.98 is: 5,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.07 : 7,078.23 = 3,715.98 : x
  2. Step 2: Convert to fraction form
    5,132.07/7,078.23 = 3,715.98/x
  3. Step 3: Cross multiply
    5,132.07x = 7,078.23 × 3,715.98
  4. Step 4: Simplify right side
    5,132.07x = 26,302,561.12
  5. Step 5: Solve for x
    x = 26,302,561.12/5,132.07
  6. Step 6: Final answer
    x = 5,125.14

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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.