Home / 4,699.22-6,486.21-2,812.10

Finding the Fourth Proportional to 4,699.22, 6,486.21 and 2,812.10

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Solution

The fourth proportional to 4,699.22, 6,486.21 and 2,812.10 is: 3,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.22 : 6,486.21 = 2,812.10 : x
  2. Step 2: Convert to fraction form
    4,699.22/6,486.21 = 2,812.10/x
  3. Step 3: Cross multiply
    4,699.22x = 6,486.21 × 2,812.10
  4. Step 4: Simplify right side
    4,699.22x = 18,239,838.71
  5. Step 5: Solve for x
    x = 18,239,838.71/4,699.22
  6. Step 6: Final answer
    x = 3,881.47

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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.