Home / 4,915.63-6,784.32-2,926.39

Finding the Fourth Proportional to 4,915.63, 6,784.32 and 2,926.39

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Solution

The fourth proportional to 4,915.63, 6,784.32 and 2,926.39 is: 4,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.63 : 6,784.32 = 2,926.39 : x
  2. Step 2: Convert to fraction form
    4,915.63/6,784.32 = 2,926.39/x
  3. Step 3: Cross multiply
    4,915.63x = 6,784.32 × 2,926.39
  4. Step 4: Simplify right side
    4,915.63x = 19,853,566.20
  5. Step 5: Solve for x
    x = 19,853,566.20/4,915.63
  6. Step 6: Final answer
    x = 4,038.87

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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.