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Finding the Fourth Proportional to 4,915.58, 6,784.05 and 2,926.14

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Solution

The fourth proportional to 4,915.58, 6,784.05 and 2,926.14 is: 4,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.58 : 6,784.05 = 2,926.14 : x
  2. Step 2: Convert to fraction form
    4,915.58/6,784.05 = 2,926.14/x
  3. Step 3: Cross multiply
    4,915.58x = 6,784.05 × 2,926.14
  4. Step 4: Simplify right side
    4,915.58x = 19,851,080.07
  5. Step 5: Solve for x
    x = 19,851,080.07/4,915.58
  6. Step 6: Final answer
    x = 4,038.40

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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.