Home / 6,476.95-8,937.39-4,086.02

Finding the Fourth Proportional to 6,476.95, 8,937.39 and 4,086.02

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Solution

The fourth proportional to 6,476.95, 8,937.39 and 4,086.02 is: 5,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.95 : 8,937.39 = 4,086.02 : x
  2. Step 2: Convert to fraction form
    6,476.95/8,937.39 = 4,086.02/x
  3. Step 3: Cross multiply
    6,476.95x = 8,937.39 × 4,086.02
  4. Step 4: Simplify right side
    6,476.95x = 36,518,354.29
  5. Step 5: Solve for x
    x = 36,518,354.29/6,476.95
  6. Step 6: Final answer
    x = 5,638.20

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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.