Home / 5,612.63-8,421.93-2,495.75

Finding the Fourth Proportional to 5,612.63, 8,421.93 and 2,495.75

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Solution

The fourth proportional to 5,612.63, 8,421.93 and 2,495.75 is: 3,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.63 : 8,421.93 = 2,495.75 : x
  2. Step 2: Convert to fraction form
    5,612.63/8,421.93 = 2,495.75/x
  3. Step 3: Cross multiply
    5,612.63x = 8,421.93 × 2,495.75
  4. Step 4: Simplify right side
    5,612.63x = 21,018,989.69
  5. Step 5: Solve for x
    x = 21,018,989.69/5,612.63
  6. Step 6: Final answer
    x = 3,744.95

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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.