Home / 5,214.42-7,816.14-1,925.40

Finding the Fourth Proportional to 5,214.42, 7,816.14 and 1,925.40

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Solution

The fourth proportional to 5,214.42, 7,816.14 and 1,925.40 is: 2,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.42 : 7,816.14 = 1,925.40 : x
  2. Step 2: Convert to fraction form
    5,214.42/7,816.14 = 1,925.40/x
  3. Step 3: Cross multiply
    5,214.42x = 7,816.14 × 1,925.40
  4. Step 4: Simplify right side
    5,214.42x = 15,049,195.96
  5. Step 5: Solve for x
    x = 15,049,195.96/5,214.42
  6. Step 6: Final answer
    x = 2,886.07

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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.