Home / 5,785.43-8,688.75-5,297.46

Finding the Fourth Proportional to 5,785.43, 8,688.75 and 5,297.46

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Solution

The fourth proportional to 5,785.43, 8,688.75 and 5,297.46 is: 7,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.43 : 8,688.75 = 5,297.46 : x
  2. Step 2: Convert to fraction form
    5,785.43/8,688.75 = 5,297.46/x
  3. Step 3: Cross multiply
    5,785.43x = 8,688.75 × 5,297.46
  4. Step 4: Simplify right side
    5,785.43x = 46,028,305.58
  5. Step 5: Solve for x
    x = 46,028,305.58/5,785.43
  6. Step 6: Final answer
    x = 7,955.91

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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.