Home / 5,315.46-7,335.90-4,054.20

Finding the Fourth Proportional to 5,315.46, 7,335.90 and 4,054.20

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Solution

The fourth proportional to 5,315.46, 7,335.90 and 4,054.20 is: 5,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.46 : 7,335.90 = 4,054.20 : x
  2. Step 2: Convert to fraction form
    5,315.46/7,335.90 = 4,054.20/x
  3. Step 3: Cross multiply
    5,315.46x = 7,335.90 × 4,054.20
  4. Step 4: Simplify right side
    5,315.46x = 29,741,205.78
  5. Step 5: Solve for x
    x = 29,741,205.78/5,315.46
  6. Step 6: Final answer
    x = 5,595.23

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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.