Home / 5,541.70-8,312.55-5,412.10

Finding the Fourth Proportional to 5,541.70, 8,312.55 and 5,412.10

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Solution

The fourth proportional to 5,541.70, 8,312.55 and 5,412.10 is: 8,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.70 : 8,312.55 = 5,412.10 : x
  2. Step 2: Convert to fraction form
    5,541.70/8,312.55 = 5,412.10/x
  3. Step 3: Cross multiply
    5,541.70x = 8,312.55 × 5,412.10
  4. Step 4: Simplify right side
    5,541.70x = 44,988,351.86
  5. Step 5: Solve for x
    x = 44,988,351.86/5,541.70
  6. Step 6: Final answer
    x = 8,118.15

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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.