Home / 2,527.16-3,790.86-1,432.40

Finding the Fourth Proportional to 2,527.16, 3,790.86 and 1,432.40

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Solution

The fourth proportional to 2,527.16, 3,790.86 and 1,432.40 is: 2,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.16 : 3,790.86 = 1,432.40 : x
  2. Step 2: Convert to fraction form
    2,527.16/3,790.86 = 1,432.40/x
  3. Step 3: Cross multiply
    2,527.16x = 3,790.86 × 1,432.40
  4. Step 4: Simplify right side
    2,527.16x = 5,430,027.86
  5. Step 5: Solve for x
    x = 5,430,027.86/2,527.16
  6. Step 6: Final answer
    x = 2,148.67

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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.