Home / 5,466.37-8,199.31-1,570.78

Finding the Fourth Proportional to 5,466.37, 8,199.31 and 1,570.78

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Solution

The fourth proportional to 5,466.37, 8,199.31 and 1,570.78 is: 2,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.37 : 8,199.31 = 1,570.78 : x
  2. Step 2: Convert to fraction form
    5,466.37/8,199.31 = 1,570.78/x
  3. Step 3: Cross multiply
    5,466.37x = 8,199.31 × 1,570.78
  4. Step 4: Simplify right side
    5,466.37x = 12,879,312.16
  5. Step 5: Solve for x
    x = 12,879,312.16/5,466.37
  6. Step 6: Final answer
    x = 2,356.10

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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.