Home / 5,475.96-7,555.01-3,117.60

Finding the Fourth Proportional to 5,475.96, 7,555.01 and 3,117.60

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Solution

The fourth proportional to 5,475.96, 7,555.01 and 3,117.60 is: 4,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.96 : 7,555.01 = 3,117.60 : x
  2. Step 2: Convert to fraction form
    5,475.96/7,555.01 = 3,117.60/x
  3. Step 3: Cross multiply
    5,475.96x = 7,555.01 × 3,117.60
  4. Step 4: Simplify right side
    5,475.96x = 23,553,483.59
  5. Step 5: Solve for x
    x = 23,553,483.59/5,475.96
  6. Step 6: Final answer
    x = 4,301.25

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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.