Home / 3,518.01-5,274.90-2,421.18

Finding the Fourth Proportional to 3,518.01, 5,274.90 and 2,421.18

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Solution

The fourth proportional to 3,518.01, 5,274.90 and 2,421.18 is: 3,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.01 : 5,274.90 = 2,421.18 : x
  2. Step 2: Convert to fraction form
    3,518.01/5,274.90 = 2,421.18/x
  3. Step 3: Cross multiply
    3,518.01x = 5,274.90 × 2,421.18
  4. Step 4: Simplify right side
    3,518.01x = 12,771,482.38
  5. Step 5: Solve for x
    x = 12,771,482.38/3,518.01
  6. Step 6: Final answer
    x = 3,630.31

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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.