Home / 5,586.30-8,407.80-4,206.60

Finding the Fourth Proportional to 5,586.30, 8,407.80 and 4,206.60

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Solution

The fourth proportional to 5,586.30, 8,407.80 and 4,206.60 is: 6,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.30 : 8,407.80 = 4,206.60 : x
  2. Step 2: Convert to fraction form
    5,586.30/8,407.80 = 4,206.60/x
  3. Step 3: Cross multiply
    5,586.30x = 8,407.80 × 4,206.60
  4. Step 4: Simplify right side
    5,586.30x = 35,368,251.48
  5. Step 5: Solve for x
    x = 35,368,251.48/5,586.30
  6. Step 6: Final answer
    x = 6,331.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.