Home / 5,756.48-8,638.56-3,160.16

Finding the Fourth Proportional to 5,756.48, 8,638.56 and 3,160.16

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Solution

The fourth proportional to 5,756.48, 8,638.56 and 3,160.16 is: 4,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.48 : 8,638.56 = 3,160.16 : x
  2. Step 2: Convert to fraction form
    5,756.48/8,638.56 = 3,160.16/x
  3. Step 3: Cross multiply
    5,756.48x = 8,638.56 × 3,160.16
  4. Step 4: Simplify right side
    5,756.48x = 27,299,231.77
  5. Step 5: Solve for x
    x = 27,299,231.77/5,756.48
  6. Step 6: Final answer
    x = 4,742.35

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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.