Home / 5,232.55-7,851.57-2,312.86

Finding the Fourth Proportional to 5,232.55, 7,851.57 and 2,312.86

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Solution

The fourth proportional to 5,232.55, 7,851.57 and 2,312.86 is: 3,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.55 : 7,851.57 = 2,312.86 : x
  2. Step 2: Convert to fraction form
    5,232.55/7,851.57 = 2,312.86/x
  3. Step 3: Cross multiply
    5,232.55x = 7,851.57 × 2,312.86
  4. Step 4: Simplify right side
    5,232.55x = 18,159,582.19
  5. Step 5: Solve for x
    x = 18,159,582.19/5,232.55
  6. Step 6: Final answer
    x = 3,470.50

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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.