Home / 5,440.02-8,160.48-1,742.76

Finding the Fourth Proportional to 5,440.02, 8,160.48 and 1,742.76

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Solution

The fourth proportional to 5,440.02, 8,160.48 and 1,742.76 is: 2,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.02 : 8,160.48 = 1,742.76 : x
  2. Step 2: Convert to fraction form
    5,440.02/8,160.48 = 1,742.76/x
  3. Step 3: Cross multiply
    5,440.02x = 8,160.48 × 1,742.76
  4. Step 4: Simplify right side
    5,440.02x = 14,221,758.12
  5. Step 5: Solve for x
    x = 14,221,758.12/5,440.02
  6. Step 6: Final answer
    x = 2,614.28

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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.