Home / 4,088.19-6,131.14-1,125.92

Finding the Fourth Proportional to 4,088.19, 6,131.14 and 1,125.92

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Solution

The fourth proportional to 4,088.19, 6,131.14 and 1,125.92 is: 1,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.19 : 6,131.14 = 1,125.92 : x
  2. Step 2: Convert to fraction form
    4,088.19/6,131.14 = 1,125.92/x
  3. Step 3: Cross multiply
    4,088.19x = 6,131.14 × 1,125.92
  4. Step 4: Simplify right side
    4,088.19x = 6,903,173.15
  5. Step 5: Solve for x
    x = 6,903,173.15/4,088.19
  6. Step 6: Final answer
    x = 1,688.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.