Home / 5,280.08-7,286.06-4,718.74

Finding the Fourth Proportional to 5,280.08, 7,286.06 and 4,718.74

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Solution

The fourth proportional to 5,280.08, 7,286.06 and 4,718.74 is: 6,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.08 : 7,286.06 = 4,718.74 : x
  2. Step 2: Convert to fraction form
    5,280.08/7,286.06 = 4,718.74/x
  3. Step 3: Cross multiply
    5,280.08x = 7,286.06 × 4,718.74
  4. Step 4: Simplify right side
    5,280.08x = 34,381,022.76
  5. Step 5: Solve for x
    x = 34,381,022.76/5,280.08
  6. Step 6: Final answer
    x = 6,511.46

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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.