Home / 6,462.19-8,917.58-3,948.51

Finding the Fourth Proportional to 6,462.19, 8,917.58 and 3,948.51

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Solution

The fourth proportional to 6,462.19, 8,917.58 and 3,948.51 is: 5,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.19 : 8,917.58 = 3,948.51 : x
  2. Step 2: Convert to fraction form
    6,462.19/8,917.58 = 3,948.51/x
  3. Step 3: Cross multiply
    6,462.19x = 8,917.58 × 3,948.51
  4. Step 4: Simplify right side
    6,462.19x = 35,211,153.81
  5. Step 5: Solve for x
    x = 35,211,153.81/6,462.19
  6. Step 6: Final answer
    x = 5,448.80

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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.