Home / 6,477.61-9,715.39-2,316.85

Finding the Fourth Proportional to 6,477.61, 9,715.39 and 2,316.85

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Solution

The fourth proportional to 6,477.61, 9,715.39 and 2,316.85 is: 3,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.61 : 9,715.39 = 2,316.85 : x
  2. Step 2: Convert to fraction form
    6,477.61/9,715.39 = 2,316.85/x
  3. Step 3: Cross multiply
    6,477.61x = 9,715.39 × 2,316.85
  4. Step 4: Simplify right side
    6,477.61x = 22,509,101.32
  5. Step 5: Solve for x
    x = 22,509,101.32/6,477.61
  6. Step 6: Final answer
    x = 3,474.91

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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.