Home / 7,276.18-10,915.71-2,345.44

Finding the Fourth Proportional to 7,276.18, 10,915.71 and 2,345.44

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Solution

The fourth proportional to 7,276.18, 10,915.71 and 2,345.44 is: 3,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.18 : 10,915.71 = 2,345.44 : x
  2. Step 2: Convert to fraction form
    7,276.18/10,915.71 = 2,345.44/x
  3. Step 3: Cross multiply
    7,276.18x = 10,915.71 × 2,345.44
  4. Step 4: Simplify right side
    7,276.18x = 25,602,142.86
  5. Step 5: Solve for x
    x = 25,602,142.86/7,276.18
  6. Step 6: Final answer
    x = 3,518.62

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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.