Home / 6,223.40-8,585.48-4,098.36

Finding the Fourth Proportional to 6,223.40, 8,585.48 and 4,098.36

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Solution

The fourth proportional to 6,223.40, 8,585.48 and 4,098.36 is: 5,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.40 : 8,585.48 = 4,098.36 : x
  2. Step 2: Convert to fraction form
    6,223.40/8,585.48 = 4,098.36/x
  3. Step 3: Cross multiply
    6,223.40x = 8,585.48 × 4,098.36
  4. Step 4: Simplify right side
    6,223.40x = 35,186,367.32
  5. Step 5: Solve for x
    x = 35,186,367.32/6,223.40
  6. Step 6: Final answer
    x = 5,653.89

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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.