Home / 7,080.17-9,768.71-4,560.21

Finding the Fourth Proportional to 7,080.17, 9,768.71 and 4,560.21

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Solution

The fourth proportional to 7,080.17, 9,768.71 and 4,560.21 is: 6,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.17 : 9,768.71 = 4,560.21 : x
  2. Step 2: Convert to fraction form
    7,080.17/9,768.71 = 4,560.21/x
  3. Step 3: Cross multiply
    7,080.17x = 9,768.71 × 4,560.21
  4. Step 4: Simplify right side
    7,080.17x = 44,547,380.43
  5. Step 5: Solve for x
    x = 44,547,380.43/7,080.17
  6. Step 6: Final answer
    x = 6,291.86

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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.