Home / 5,762.20-8,637.90-4,512.10

Finding the Fourth Proportional to 5,762.20, 8,637.90 and 4,512.10

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Solution

The fourth proportional to 5,762.20, 8,637.90 and 4,512.10 is: 6,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.20 : 8,637.90 = 4,512.10 : x
  2. Step 2: Convert to fraction form
    5,762.20/8,637.90 = 4,512.10/x
  3. Step 3: Cross multiply
    5,762.20x = 8,637.90 × 4,512.10
  4. Step 4: Simplify right side
    5,762.20x = 38,975,068.59
  5. Step 5: Solve for x
    x = 38,975,068.59/5,762.20
  6. Step 6: Final answer
    x = 6,763.92

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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.