Home / 5,423.48-7,482.20-3,534.38

Finding the Fourth Proportional to 5,423.48, 7,482.20 and 3,534.38

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Solution

The fourth proportional to 5,423.48, 7,482.20 and 3,534.38 is: 4,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.48 : 7,482.20 = 3,534.38 : x
  2. Step 2: Convert to fraction form
    5,423.48/7,482.20 = 3,534.38/x
  3. Step 3: Cross multiply
    5,423.48x = 7,482.20 × 3,534.38
  4. Step 4: Simplify right side
    5,423.48x = 26,444,882.95
  5. Step 5: Solve for x
    x = 26,444,882.95/5,423.48
  6. Step 6: Final answer
    x = 4,876.00

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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.