Home / 5,427.74-8,140.74-1,532.42

Finding the Fourth Proportional to 5,427.74, 8,140.74 and 1,532.42

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Solution

The fourth proportional to 5,427.74, 8,140.74 and 1,532.42 is: 2,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.74 : 8,140.74 = 1,532.42 : x
  2. Step 2: Convert to fraction form
    5,427.74/8,140.74 = 1,532.42/x
  3. Step 3: Cross multiply
    5,427.74x = 8,140.74 × 1,532.42
  4. Step 4: Simplify right side
    5,427.74x = 12,475,032.79
  5. Step 5: Solve for x
    x = 12,475,032.79/5,427.74
  6. Step 6: Final answer
    x = 2,298.38

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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.