Home / 6,210.79-8,571.62-3,559.05

Finding the Fourth Proportional to 6,210.79, 8,571.62 and 3,559.05

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Solution

The fourth proportional to 6,210.79, 8,571.62 and 3,559.05 is: 4,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.79 : 8,571.62 = 3,559.05 : x
  2. Step 2: Convert to fraction form
    6,210.79/8,571.62 = 3,559.05/x
  3. Step 3: Cross multiply
    6,210.79x = 8,571.62 × 3,559.05
  4. Step 4: Simplify right side
    6,210.79x = 30,506,824.16
  5. Step 5: Solve for x
    x = 30,506,824.16/6,210.79
  6. Step 6: Final answer
    x = 4,911.91

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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.