Home / 5,730.05-7,905.74-3,710.27

Finding the Fourth Proportional to 5,730.05, 7,905.74 and 3,710.27

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Solution

The fourth proportional to 5,730.05, 7,905.74 and 3,710.27 is: 5,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.05 : 7,905.74 = 3,710.27 : x
  2. Step 2: Convert to fraction form
    5,730.05/7,905.74 = 3,710.27/x
  3. Step 3: Cross multiply
    5,730.05x = 7,905.74 × 3,710.27
  4. Step 4: Simplify right side
    5,730.05x = 29,332,411.40
  5. Step 5: Solve for x
    x = 29,332,411.40/5,730.05
  6. Step 6: Final answer
    x = 5,119.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.