Home / 5,125.95-7,683.46-2,166.01

Finding the Fourth Proportional to 5,125.95, 7,683.46 and 2,166.01

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Solution

The fourth proportional to 5,125.95, 7,683.46 and 2,166.01 is: 3,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.95 : 7,683.46 = 2,166.01 : x
  2. Step 2: Convert to fraction form
    5,125.95/7,683.46 = 2,166.01/x
  3. Step 3: Cross multiply
    5,125.95x = 7,683.46 × 2,166.01
  4. Step 4: Simplify right side
    5,125.95x = 16,642,426.57
  5. Step 5: Solve for x
    x = 16,642,426.57/5,125.95
  6. Step 6: Final answer
    x = 3,246.70

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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.