Home / 5,475.72-7,554.66-3,117.36

Finding the Fourth Proportional to 5,475.72, 7,554.66 and 3,117.36

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Solution

The fourth proportional to 5,475.72, 7,554.66 and 3,117.36 is: 4,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.72 : 7,554.66 = 3,117.36 : x
  2. Step 2: Convert to fraction form
    5,475.72/7,554.66 = 3,117.36/x
  3. Step 3: Cross multiply
    5,475.72x = 7,554.66 × 3,117.36
  4. Step 4: Simplify right side
    5,475.72x = 23,550,594.90
  5. Step 5: Solve for x
    x = 23,550,594.90/5,475.72
  6. Step 6: Final answer
    x = 4,300.91

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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.