Home / 6,157.06-8,477.85-5,661.70

Finding the Fourth Proportional to 6,157.06, 8,477.85 and 5,661.70

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Solution

The fourth proportional to 6,157.06, 8,477.85 and 5,661.70 is: 7,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.06 : 8,477.85 = 5,661.70 : x
  2. Step 2: Convert to fraction form
    6,157.06/8,477.85 = 5,661.70/x
  3. Step 3: Cross multiply
    6,157.06x = 8,477.85 × 5,661.70
  4. Step 4: Simplify right side
    6,157.06x = 47,999,043.35
  5. Step 5: Solve for x
    x = 47,999,043.35/6,157.06
  6. Step 6: Final answer
    x = 7,795.77

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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.