Home / 3,741.17-5,612.39-1,143.50

Finding the Fourth Proportional to 3,741.17, 5,612.39 and 1,143.50

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Solution

The fourth proportional to 3,741.17, 5,612.39 and 1,143.50 is: 1,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.17 : 5,612.39 = 1,143.50 : x
  2. Step 2: Convert to fraction form
    3,741.17/5,612.39 = 1,143.50/x
  3. Step 3: Cross multiply
    3,741.17x = 5,612.39 × 1,143.50
  4. Step 4: Simplify right side
    3,741.17x = 6,417,762.25
  5. Step 5: Solve for x
    x = 6,417,762.25/3,741.17
  6. Step 6: Final answer
    x = 1,715.44

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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.