Home / 5,625.42-8,406.14-4,210.70

Finding the Fourth Proportional to 5,625.42, 8,406.14 and 4,210.70

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Solution

The fourth proportional to 5,625.42, 8,406.14 and 4,210.70 is: 6,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.42 : 8,406.14 = 4,210.70 : x
  2. Step 2: Convert to fraction form
    5,625.42/8,406.14 = 4,210.70/x
  3. Step 3: Cross multiply
    5,625.42x = 8,406.14 × 4,210.70
  4. Step 4: Simplify right side
    5,625.42x = 35,395,733.70
  5. Step 5: Solve for x
    x = 35,395,733.70/5,625.42
  6. Step 6: Final answer
    x = 6,292.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.