Home / 4,231.19-6,347.20-1,457.49

Finding the Fourth Proportional to 4,231.19, 6,347.20 and 1,457.49

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Solution

The fourth proportional to 4,231.19, 6,347.20 and 1,457.49 is: 2,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.19 : 6,347.20 = 1,457.49 : x
  2. Step 2: Convert to fraction form
    4,231.19/6,347.20 = 1,457.49/x
  3. Step 3: Cross multiply
    4,231.19x = 6,347.20 × 1,457.49
  4. Step 4: Simplify right side
    4,231.19x = 9,250,980.53
  5. Step 5: Solve for x
    x = 9,250,980.53/4,231.19
  6. Step 6: Final answer
    x = 2,186.38

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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.