Home / 5,250.14-7,875.18-1,354.55

Finding the Fourth Proportional to 5,250.14, 7,875.18 and 1,354.55

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Solution

The fourth proportional to 5,250.14, 7,875.18 and 1,354.55 is: 2,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.14 : 7,875.18 = 1,354.55 : x
  2. Step 2: Convert to fraction form
    5,250.14/7,875.18 = 1,354.55/x
  3. Step 3: Cross multiply
    5,250.14x = 7,875.18 × 1,354.55
  4. Step 4: Simplify right side
    5,250.14x = 10,667,325.07
  5. Step 5: Solve for x
    x = 10,667,325.07/5,250.14
  6. Step 6: Final answer
    x = 2,031.82

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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.